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Finding the Fourth Proportional to 60,906.92, 91,299.04 and 25,387.90

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Solution

The fourth proportional to 60,906.92, 91,299.04 and 25,387.90 is: 38,056.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,906.92 : 91,299.04 = 25,387.90 : x
  2. Step 2: Convert to fraction form
    60,906.92/91,299.04 = 25,387.90/x
  3. Step 3: Cross multiply
    60,906.92x = 91,299.04 × 25,387.90
  4. Step 4: Simplify right side
    60,906.92x = 2,317,890,704.66
  5. Step 5: Solve for x
    x = 2,317,890,704.66/60,906.92
  6. Step 6: Final answer
    x = 38,056.28

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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.