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Finding the Fourth Proportional to 5,446.70, 8,162.76 and 2,669.12

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Solution

The fourth proportional to 5,446.70, 8,162.76 and 2,669.12 is: 4,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.70 : 8,162.76 = 2,669.12 : x
  2. Step 2: Convert to fraction form
    5,446.70/8,162.76 = 2,669.12/x
  3. Step 3: Cross multiply
    5,446.70x = 8,162.76 × 2,669.12
  4. Step 4: Simplify right side
    5,446.70x = 21,787,385.97
  5. Step 5: Solve for x
    x = 21,787,385.97/5,446.70
  6. Step 6: Final answer
    x = 4,000.11

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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.