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Finding the Fourth Proportional to 39,631, 59,404.60 and 14,655.02

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Solution

The fourth proportional to 39,631, 59,404.60 and 14,655.02 is: 21,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631 : 59,404.60 = 14,655.02 : x
  2. Step 2: Convert to fraction form
    39,631/59,404.60 = 14,655.02/x
  3. Step 3: Cross multiply
    39,631x = 59,404.60 × 14,655.02
  4. Step 4: Simplify right side
    39,631x = 870,575,601.09
  5. Step 5: Solve for x
    x = 870,575,601.09/39,631
  6. Step 6: Final answer
    x = 21,967.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.