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Finding the Fourth Proportional to 62,391.67, 86,106.50 and 35,542.87

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Solution

The fourth proportional to 62,391.67, 86,106.50 and 35,542.87 is: 49,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,391.67 : 86,106.50 = 35,542.87 : x
  2. Step 2: Convert to fraction form
    62,391.67/86,106.50 = 35,542.87/x
  3. Step 3: Cross multiply
    62,391.67x = 86,106.50 × 35,542.87
  4. Step 4: Simplify right side
    62,391.67x = 3,060,472,135.66
  5. Step 5: Solve for x
    x = 3,060,472,135.66/62,391.67
  6. Step 6: Final answer
    x = 49,052.58

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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.