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Finding the Fourth Proportional to 7,179.67, 10,769.51 and 2,249.31

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Solution

The fourth proportional to 7,179.67, 10,769.51 and 2,249.31 is: 3,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.67 : 10,769.51 = 2,249.31 : x
  2. Step 2: Convert to fraction form
    7,179.67/10,769.51 = 2,249.31/x
  3. Step 3: Cross multiply
    7,179.67x = 10,769.51 × 2,249.31
  4. Step 4: Simplify right side
    7,179.67x = 24,223,963.73
  5. Step 5: Solve for x
    x = 24,223,963.73/7,179.67
  6. Step 6: Final answer
    x = 3,373.97

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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.