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Finding the Fourth Proportional to 63,313.72, 87,377.28 and 36,463.30

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Solution

The fourth proportional to 63,313.72, 87,377.28 and 36,463.30 is: 50,321.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,313.72 : 87,377.28 = 36,463.30 : x
  2. Step 2: Convert to fraction form
    63,313.72/87,377.28 = 36,463.30/x
  3. Step 3: Cross multiply
    63,313.72x = 87,377.28 × 36,463.30
  4. Step 4: Simplify right side
    63,313.72x = 3,186,063,973.82
  5. Step 5: Solve for x
    x = 3,186,063,973.82/63,313.72
  6. Step 6: Final answer
    x = 50,321.86

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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.