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Finding the Fourth Proportional to 63,254.25, 87,290.87 and 38,108.61

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Solution

The fourth proportional to 63,254.25, 87,290.87 and 38,108.61 is: 52,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,254.25 : 87,290.87 = 38,108.61 : x
  2. Step 2: Convert to fraction form
    63,254.25/87,290.87 = 38,108.61/x
  3. Step 3: Cross multiply
    63,254.25x = 87,290.87 × 38,108.61
  4. Step 4: Simplify right side
    63,254.25x = 3,326,533,530.85
  5. Step 5: Solve for x
    x = 3,326,533,530.85/63,254.25
  6. Step 6: Final answer
    x = 52,589.88

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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.