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Finding the Fourth Proportional to 63,517.68, 87,665.80 and 36,656.44

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Solution

The fourth proportional to 63,517.68, 87,665.80 and 36,656.44 is: 50,592.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,517.68 : 87,665.80 = 36,656.44 : x
  2. Step 2: Convert to fraction form
    63,517.68/87,665.80 = 36,656.44/x
  3. Step 3: Cross multiply
    63,517.68x = 87,665.80 × 36,656.44
  4. Step 4: Simplify right side
    63,517.68x = 3,213,516,137.75
  5. Step 5: Solve for x
    x = 3,213,516,137.75/63,517.68
  6. Step 6: Final answer
    x = 50,592.47

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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.