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Finding the Fourth Proportional to 63,764.34, 95,649.96 and 19,387.68

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Solution

The fourth proportional to 63,764.34, 95,649.96 and 19,387.68 is: 29,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,764.34 : 95,649.96 = 19,387.68 : x
  2. Step 2: Convert to fraction form
    63,764.34/95,649.96 = 19,387.68/x
  3. Step 3: Cross multiply
    63,764.34x = 95,649.96 × 19,387.68
  4. Step 4: Simplify right side
    63,764.34x = 1,854,430,816.49
  5. Step 5: Solve for x
    x = 1,854,430,816.49/63,764.34
  6. Step 6: Final answer
    x = 29,082.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.