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Finding the Fourth Proportional to 22,241.31, 33,375.12 and 8,211.12

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Solution

The fourth proportional to 22,241.31, 33,375.12 and 8,211.12 is: 12,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.31 : 33,375.12 = 8,211.12 : x
  2. Step 2: Convert to fraction form
    22,241.31/33,375.12 = 8,211.12/x
  3. Step 3: Cross multiply
    22,241.31x = 33,375.12 × 8,211.12
  4. Step 4: Simplify right side
    22,241.31x = 274,047,115.33
  5. Step 5: Solve for x
    x = 274,047,115.33/22,241.31
  6. Step 6: Final answer
    x = 12,321.54

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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.