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Finding the Fourth Proportional to 8,069.92, 12,105.18 and 2,226.97

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Solution

The fourth proportional to 8,069.92, 12,105.18 and 2,226.97 is: 3,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.92 : 12,105.18 = 2,226.97 : x
  2. Step 2: Convert to fraction form
    8,069.92/12,105.18 = 2,226.97/x
  3. Step 3: Cross multiply
    8,069.92x = 12,105.18 × 2,226.97
  4. Step 4: Simplify right side
    8,069.92x = 26,957,872.70
  5. Step 5: Solve for x
    x = 26,957,872.70/8,069.92
  6. Step 6: Final answer
    x = 3,340.54

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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.