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Finding the Fourth Proportional to 63,766.88, 95,562.80 and 40,351.40

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Solution

The fourth proportional to 63,766.88, 95,562.80 and 40,351.40 is: 60,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,766.88 : 95,562.80 = 40,351.40 : x
  2. Step 2: Convert to fraction form
    63,766.88/95,562.80 = 40,351.40/x
  3. Step 3: Cross multiply
    63,766.88x = 95,562.80 × 40,351.40
  4. Step 4: Simplify right side
    63,766.88x = 3,856,092,767.92
  5. Step 5: Solve for x
    x = 3,856,092,767.92/63,766.88
  6. Step 6: Final answer
    x = 60,471.72

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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.