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Finding the Fourth Proportional to 22,382.90, 33,552.48 and 9,906.08

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Solution

The fourth proportional to 22,382.90, 33,552.48 and 9,906.08 is: 14,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,382.90 : 33,552.48 = 9,906.08 : x
  2. Step 2: Convert to fraction form
    22,382.90/33,552.48 = 9,906.08/x
  3. Step 3: Cross multiply
    22,382.90x = 33,552.48 × 9,906.08
  4. Step 4: Simplify right side
    22,382.90x = 332,373,551.08
  5. Step 5: Solve for x
    x = 332,373,551.08/22,382.90
  6. Step 6: Final answer
    x = 14,849.44

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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.