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Finding the Fourth Proportional to 64,372.52, 88,833.96 and 36,078.20

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Solution

The fourth proportional to 64,372.52, 88,833.96 and 36,078.20 is: 49,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,372.52 : 88,833.96 = 36,078.20 : x
  2. Step 2: Convert to fraction form
    64,372.52/88,833.96 = 36,078.20/x
  3. Step 3: Cross multiply
    64,372.52x = 88,833.96 × 36,078.20
  4. Step 4: Simplify right side
    64,372.52x = 3,204,969,375.67
  5. Step 5: Solve for x
    x = 3,204,969,375.67/64,372.52
  6. Step 6: Final answer
    x = 49,787.85

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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.