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Finding the Fourth Proportional to 11,571.92, 17,355.78 and 3,249.88

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Solution

The fourth proportional to 11,571.92, 17,355.78 and 3,249.88 is: 4,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.92 : 17,355.78 = 3,249.88 : x
  2. Step 2: Convert to fraction form
    11,571.92/17,355.78 = 3,249.88/x
  3. Step 3: Cross multiply
    11,571.92x = 17,355.78 × 3,249.88
  4. Step 4: Simplify right side
    11,571.92x = 56,404,202.31
  5. Step 5: Solve for x
    x = 56,404,202.31/11,571.92
  6. Step 6: Final answer
    x = 4,874.23

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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.