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Finding the Fourth Proportional to 63,809.17, 95,764.79 and 28,751.56

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Solution

The fourth proportional to 63,809.17, 95,764.79 and 28,751.56 is: 43,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,809.17 : 95,764.79 = 28,751.56 : x
  2. Step 2: Convert to fraction form
    63,809.17/95,764.79 = 28,751.56/x
  3. Step 3: Cross multiply
    63,809.17x = 95,764.79 × 28,751.56
  4. Step 4: Simplify right side
    63,809.17x = 2,753,387,105.57
  5. Step 5: Solve for x
    x = 2,753,387,105.57/63,809.17
  6. Step 6: Final answer
    x = 43,150.34

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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.