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Finding the Fourth Proportional to 63,684.80, 95,629.20 and 50,645.60

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Solution

The fourth proportional to 63,684.80, 95,629.20 and 50,645.60 is: 76,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,684.80 : 95,629.20 = 50,645.60 : x
  2. Step 2: Convert to fraction form
    63,684.80/95,629.20 = 50,645.60/x
  3. Step 3: Cross multiply
    63,684.80x = 95,629.20 × 50,645.60
  4. Step 4: Simplify right side
    63,684.80x = 4,843,198,211.52
  5. Step 5: Solve for x
    x = 4,843,198,211.52/63,684.80
  6. Step 6: Final answer
    x = 76,049.52

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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.