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Finding the Fourth Proportional to 57,553.68, 86,169.96 and 29,413.20

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Solution

The fourth proportional to 57,553.68, 86,169.96 and 29,413.20 is: 44,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,553.68 : 86,169.96 = 29,413.20 : x
  2. Step 2: Convert to fraction form
    57,553.68/86,169.96 = 29,413.20/x
  3. Step 3: Cross multiply
    57,553.68x = 86,169.96 × 29,413.20
  4. Step 4: Simplify right side
    57,553.68x = 2,534,534,267.47
  5. Step 5: Solve for x
    x = 2,534,534,267.47/57,553.68
  6. Step 6: Final answer
    x = 44,037.74

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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.