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Finding the Fourth Proportional to 60,747.79, 83,884.68 and 38,125.99

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Solution

The fourth proportional to 60,747.79, 83,884.68 and 38,125.99 is: 52,646.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,747.79 : 83,884.68 = 38,125.99 : x
  2. Step 2: Convert to fraction form
    60,747.79/83,884.68 = 38,125.99/x
  3. Step 3: Cross multiply
    60,747.79x = 83,884.68 × 38,125.99
  4. Step 4: Simplify right side
    60,747.79x = 3,198,186,470.83
  5. Step 5: Solve for x
    x = 3,198,186,470.83/60,747.79
  6. Step 6: Final answer
    x = 52,646.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.