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Finding the Fourth Proportional to 50,658.62, 69,843.92 and 34,715.39

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Solution

The fourth proportional to 50,658.62, 69,843.92 and 34,715.39 is: 47,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,658.62 : 69,843.92 = 34,715.39 : x
  2. Step 2: Convert to fraction form
    50,658.62/69,843.92 = 34,715.39/x
  3. Step 3: Cross multiply
    50,658.62x = 69,843.92 × 34,715.39
  4. Step 4: Simplify right side
    50,658.62x = 2,424,658,399.13
  5. Step 5: Solve for x
    x = 2,424,658,399.13/50,658.62
  6. Step 6: Final answer
    x = 47,862.71

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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.