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Finding the Fourth Proportional to 69,407.87, 95,791.95 and 51,553.85

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Solution

The fourth proportional to 69,407.87, 95,791.95 and 51,553.85 is: 71,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,407.87 : 95,791.95 = 51,553.85 : x
  2. Step 2: Convert to fraction form
    69,407.87/95,791.95 = 51,553.85/x
  3. Step 3: Cross multiply
    69,407.87x = 95,791.95 × 51,553.85
  4. Step 4: Simplify right side
    69,407.87x = 4,938,443,342.55
  5. Step 5: Solve for x
    x = 4,938,443,342.55/69,407.87
  6. Step 6: Final answer
    x = 71,151.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.