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Finding the Fourth Proportional to 63,455.52, 87,531.12 and 37,958.88

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Solution

The fourth proportional to 63,455.52, 87,531.12 and 37,958.88 is: 52,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,455.52 : 87,531.12 = 37,958.88 : x
  2. Step 2: Convert to fraction form
    63,455.52/87,531.12 = 37,958.88/x
  3. Step 3: Cross multiply
    63,455.52x = 87,531.12 × 37,958.88
  4. Step 4: Simplify right side
    63,455.52x = 3,322,583,280.35
  5. Step 5: Solve for x
    x = 3,322,583,280.35/63,455.52
  6. Step 6: Final answer
    x = 52,360.82

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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.