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Finding the Fourth Proportional to 22,375.70, 33,575.70 and 9,229.40

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Solution

The fourth proportional to 22,375.70, 33,575.70 and 9,229.40 is: 13,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,375.70 : 33,575.70 = 9,229.40 : x
  2. Step 2: Convert to fraction form
    22,375.70/33,575.70 = 9,229.40/x
  3. Step 3: Cross multiply
    22,375.70x = 33,575.70 × 9,229.40
  4. Step 4: Simplify right side
    22,375.70x = 309,883,565.58
  5. Step 5: Solve for x
    x = 309,883,565.58/22,375.70
  6. Step 6: Final answer
    x = 13,849.11

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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.