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Finding the Fourth Proportional to 80,785.71, 111,481.79 and 44,974.94

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Solution

The fourth proportional to 80,785.71, 111,481.79 and 44,974.94 is: 62,064.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,785.71 : 111,481.79 = 44,974.94 : x
  2. Step 2: Convert to fraction form
    80,785.71/111,481.79 = 44,974.94/x
  3. Step 3: Cross multiply
    80,785.71x = 111,481.79 × 44,974.94
  4. Step 4: Simplify right side
    80,785.71x = 5,013,886,034.06
  5. Step 5: Solve for x
    x = 5,013,886,034.06/80,785.71
  6. Step 6: Final answer
    x = 62,064.02

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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.