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Finding the Fourth Proportional to 22,180, 33,251.36 and 9,041.80

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Solution

The fourth proportional to 22,180, 33,251.36 and 9,041.80 is: 13,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180 : 33,251.36 = 9,041.80 : x
  2. Step 2: Convert to fraction form
    22,180/33,251.36 = 9,041.80/x
  3. Step 3: Cross multiply
    22,180x = 33,251.36 × 9,041.80
  4. Step 4: Simplify right side
    22,180x = 300,652,146.85
  5. Step 5: Solve for x
    x = 300,652,146.85/22,180
  6. Step 6: Final answer
    x = 13,555.10

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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.