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Finding the Fourth Proportional to 22,251.78, 33,377.67 and 5,611.68

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Solution

The fourth proportional to 22,251.78, 33,377.67 and 5,611.68 is: 8,417.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.78 : 33,377.67 = 5,611.68 : x
  2. Step 2: Convert to fraction form
    22,251.78/33,377.67 = 5,611.68/x
  3. Step 3: Cross multiply
    22,251.78x = 33,377.67 × 5,611.68
  4. Step 4: Simplify right side
    22,251.78x = 187,304,803.19
  5. Step 5: Solve for x
    x = 187,304,803.19/22,251.78
  6. Step 6: Final answer
    x = 8,417.52

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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.