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Finding the Fourth Proportional to 6,654.96, 9,981.43 and 4,182.23

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Solution

The fourth proportional to 6,654.96, 9,981.43 and 4,182.23 is: 6,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.96 : 9,981.43 = 4,182.23 : x
  2. Step 2: Convert to fraction form
    6,654.96/9,981.43 = 4,182.23/x
  3. Step 3: Cross multiply
    6,654.96x = 9,981.43 × 4,182.23
  4. Step 4: Simplify right side
    6,654.96x = 41,744,650.49
  5. Step 5: Solve for x
    x = 41,744,650.49/6,654.96
  6. Step 6: Final answer
    x = 6,272.71

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Double scale
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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.