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Finding the Fourth Proportional to 6,654.72, 9,982.08 and 4,049.28

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Solution

The fourth proportional to 6,654.72, 9,982.08 and 4,049.28 is: 6,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.72 : 9,982.08 = 4,049.28 : x
  2. Step 2: Convert to fraction form
    6,654.72/9,982.08 = 4,049.28/x
  3. Step 3: Cross multiply
    6,654.72x = 9,982.08 × 4,049.28
  4. Step 4: Simplify right side
    6,654.72x = 40,420,236.90
  5. Step 5: Solve for x
    x = 40,420,236.90/6,654.72
  6. Step 6: Final answer
    x = 6,073.92

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Similar ratio
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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.