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Finding the Fourth Proportional to 63,375.89, 87,468.11 and 36,513.29

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Solution

The fourth proportional to 63,375.89, 87,468.11 and 36,513.29 is: 50,393.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,375.89 : 87,468.11 = 36,513.29 : x
  2. Step 2: Convert to fraction form
    63,375.89/87,468.11 = 36,513.29/x
  3. Step 3: Cross multiply
    63,375.89x = 87,468.11 × 36,513.29
  4. Step 4: Simplify right side
    63,375.89x = 3,193,748,466.18
  5. Step 5: Solve for x
    x = 3,193,748,466.18/63,375.89
  6. Step 6: Final answer
    x = 50,393.75

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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.