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Finding the Fourth Proportional to 63,379.76, 87,473.22 and 36,517.10

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Solution

The fourth proportional to 63,379.76, 87,473.22 and 36,517.10 is: 50,398.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,379.76 : 87,473.22 = 36,517.10 : x
  2. Step 2: Convert to fraction form
    63,379.76/87,473.22 = 36,517.10/x
  3. Step 3: Cross multiply
    63,379.76x = 87,473.22 × 36,517.10
  4. Step 4: Simplify right side
    63,379.76x = 3,194,268,322.06
  5. Step 5: Solve for x
    x = 3,194,268,322.06/63,379.76
  6. Step 6: Final answer
    x = 50,398.87

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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.