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Finding the Fourth Proportional to 6,644.57, 9,966.20 and 2,261.97

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Solution

The fourth proportional to 6,644.57, 9,966.20 and 2,261.97 is: 3,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.57 : 9,966.20 = 2,261.97 : x
  2. Step 2: Convert to fraction form
    6,644.57/9,966.20 = 2,261.97/x
  3. Step 3: Cross multiply
    6,644.57x = 9,966.20 × 2,261.97
  4. Step 4: Simplify right side
    6,644.57x = 22,543,234.10
  5. Step 5: Solve for x
    x = 22,543,234.10/6,644.57
  6. Step 6: Final answer
    x = 3,392.73

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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.