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Finding the Fourth Proportional to 63,791.20, 95,686.80 and 22,228.48

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Solution

The fourth proportional to 63,791.20, 95,686.80 and 22,228.48 is: 33,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,791.20 : 95,686.80 = 22,228.48 : x
  2. Step 2: Convert to fraction form
    63,791.20/95,686.80 = 22,228.48/x
  3. Step 3: Cross multiply
    63,791.20x = 95,686.80 × 22,228.48
  4. Step 4: Simplify right side
    63,791.20x = 2,126,972,120.06
  5. Step 5: Solve for x
    x = 2,126,972,120.06/63,791.20
  6. Step 6: Final answer
    x = 33,342.72

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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.