Problem 51 of 7
Model repeated payments with interest as a finite geometric series for annual contributions of 500 for 4 years at factor 1.06.
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model payment accumulation over time.
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Model payment accumulation with correct timing and ratio.
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Walkthrough
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1. Determine the compounding factor per payment period.
2. Assign the oldest payment the greatest exponent and the newest payment the smallest exponent.
3. Write the payment amount times the geometric sum.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Series with every payment earning the same number of periods unless the context says payments are made all at once.