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Finding the Fourth Proportional to 22,136.80, 33,201.12 and 6,550.72

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Solution

The fourth proportional to 22,136.80, 33,201.12 and 6,550.72 is: 9,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.80 : 33,201.12 = 6,550.72 : x
  2. Step 2: Convert to fraction form
    22,136.80/33,201.12 = 6,550.72/x
  3. Step 3: Cross multiply
    22,136.80x = 33,201.12 × 6,550.72
  4. Step 4: Simplify right side
    22,136.80x = 217,491,240.81
  5. Step 5: Solve for x
    x = 217,491,240.81/22,136.80
  6. Step 6: Final answer
    x = 9,824.87

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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.