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Finding the Fourth Proportional to 63,751.56, 95,648.10 and 30,474.19

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Solution

The fourth proportional to 63,751.56, 95,648.10 and 30,474.19 is: 45,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,751.56 : 95,648.10 = 30,474.19 : x
  2. Step 2: Convert to fraction form
    63,751.56/95,648.10 = 30,474.19/x
  3. Step 3: Cross multiply
    63,751.56x = 95,648.10 × 30,474.19
  4. Step 4: Simplify right side
    63,751.56x = 2,914,798,793.85
  5. Step 5: Solve for x
    x = 2,914,798,793.85/63,751.56
  6. Step 6: Final answer
    x = 45,721.21

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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.