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Finding the Fourth Proportional to 63,689.97, 95,537.08 and 28,629.73

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Solution

The fourth proportional to 63,689.97, 95,537.08 and 28,629.73 is: 42,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,689.97 : 95,537.08 = 28,629.73 : x
  2. Step 2: Convert to fraction form
    63,689.97/95,537.08 = 28,629.73/x
  3. Step 3: Cross multiply
    63,689.97x = 95,537.08 × 28,629.73
  4. Step 4: Simplify right side
    63,689.97x = 2,735,200,805.39
  5. Step 5: Solve for x
    x = 2,735,200,805.39/63,689.97
  6. Step 6: Final answer
    x = 42,945.55

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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.