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Finding the Fourth Proportional to 80,982.92, 111,755.68 and 44,684.70

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Solution

The fourth proportional to 80,982.92, 111,755.68 and 44,684.70 is: 61,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,982.92 : 111,755.68 = 44,684.70 : x
  2. Step 2: Convert to fraction form
    80,982.92/111,755.68 = 44,684.70/x
  3. Step 3: Cross multiply
    80,982.92x = 111,755.68 × 44,684.70
  4. Step 4: Simplify right side
    80,982.92x = 4,993,769,034.10
  5. Step 5: Solve for x
    x = 4,993,769,034.10/80,982.92
  6. Step 6: Final answer
    x = 61,664.47

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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.