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Finding the Fourth Proportional to 63,829.74, 95,744.57 and 28,728.39

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Solution

The fourth proportional to 63,829.74, 95,744.57 and 28,728.39 is: 43,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,829.74 : 95,744.57 = 28,728.39 : x
  2. Step 2: Convert to fraction form
    63,829.74/95,744.57 = 28,728.39/x
  3. Step 3: Cross multiply
    63,829.74x = 95,744.57 × 28,728.39
  4. Step 4: Simplify right side
    63,829.74x = 2,750,587,203.70
  5. Step 5: Solve for x
    x = 2,750,587,203.70/63,829.74
  6. Step 6: Final answer
    x = 43,092.56

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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.