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Finding the Fourth Proportional to 63,663.46, 95,495.46 and 21,543.88

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Solution

The fourth proportional to 63,663.46, 95,495.46 and 21,543.88 is: 32,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,663.46 : 95,495.46 = 21,543.88 : x
  2. Step 2: Convert to fraction form
    63,663.46/95,495.46 = 21,543.88/x
  3. Step 3: Cross multiply
    63,663.46x = 95,495.46 × 21,543.88
  4. Step 4: Simplify right side
    63,663.46x = 2,057,342,730.78
  5. Step 5: Solve for x
    x = 2,057,342,730.78/63,663.46
  6. Step 6: Final answer
    x = 32,315.91

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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.