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Finding the Fourth Proportional to 39,356.92, 58,978.14 and 24,331.96

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Solution

The fourth proportional to 39,356.92, 58,978.14 and 24,331.96 is: 36,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,356.92 : 58,978.14 = 24,331.96 : x
  2. Step 2: Convert to fraction form
    39,356.92/58,978.14 = 24,331.96/x
  3. Step 3: Cross multiply
    39,356.92x = 58,978.14 × 24,331.96
  4. Step 4: Simplify right side
    39,356.92x = 1,435,053,743.35
  5. Step 5: Solve for x
    x = 1,435,053,743.35/39,356.92
  6. Step 6: Final answer
    x = 36,462.55

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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.