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Finding the Fourth Proportional to 63,248.64, 87,270.72 and 38,099.52

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Solution

The fourth proportional to 63,248.64, 87,270.72 and 38,099.52 is: 52,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,248.64 : 87,270.72 = 38,099.52 : x
  2. Step 2: Convert to fraction form
    63,248.64/87,270.72 = 38,099.52/x
  3. Step 3: Cross multiply
    63,248.64x = 87,270.72 × 38,099.52
  4. Step 4: Simplify right side
    63,248.64x = 3,324,972,542.05
  5. Step 5: Solve for x
    x = 3,324,972,542.05/63,248.64
  6. Step 6: Final answer
    x = 52,569.87

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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.