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Finding the Fourth Proportional to 80,785.74, 111,481.74 and 44,974.98

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Solution

The fourth proportional to 80,785.74, 111,481.74 and 44,974.98 is: 62,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,785.74 : 111,481.74 = 44,974.98 : x
  2. Step 2: Convert to fraction form
    80,785.74/111,481.74 = 44,974.98/x
  3. Step 3: Cross multiply
    80,785.74x = 111,481.74 × 44,974.98
  4. Step 4: Simplify right side
    80,785.74x = 5,013,889,026.87
  5. Step 5: Solve for x
    x = 5,013,889,026.87/80,785.74
  6. Step 6: Final answer
    x = 62,064.04

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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.