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Finding the Fourth Proportional to 55,367.70, 82,974.36 and 41,847.78

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Solution

The fourth proportional to 55,367.70, 82,974.36 and 41,847.78 is: 62,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367.70 : 82,974.36 = 41,847.78 : x
  2. Step 2: Convert to fraction form
    55,367.70/82,974.36 = 41,847.78/x
  3. Step 3: Cross multiply
    55,367.70x = 82,974.36 × 41,847.78
  4. Step 4: Simplify right side
    55,367.70x = 3,472,292,762.92
  5. Step 5: Solve for x
    x = 3,472,292,762.92/55,367.70
  6. Step 6: Final answer
    x = 62,713.33

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1.5x scale

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.