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Finding the Fourth Proportional to 62,471.25, 93,699.99 and 15,724.13

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Solution

The fourth proportional to 62,471.25, 93,699.99 and 15,724.13 is: 23,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,471.25 : 93,699.99 = 15,724.13 : x
  2. Step 2: Convert to fraction form
    62,471.25/93,699.99 = 15,724.13/x
  3. Step 3: Cross multiply
    62,471.25x = 93,699.99 × 15,724.13
  4. Step 4: Simplify right side
    62,471.25x = 1,473,350,355.26
  5. Step 5: Solve for x
    x = 1,473,350,355.26/62,471.25
  6. Step 6: Final answer
    x = 23,584.45

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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.