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Finding the Fourth Proportional to 2,249.46, 3,375.90 and 951.84

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Solution

The fourth proportional to 2,249.46, 3,375.90 and 951.84 is: 1,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.46 : 3,375.90 = 951.84 : x
  2. Step 2: Convert to fraction form
    2,249.46/3,375.90 = 951.84/x
  3. Step 3: Cross multiply
    2,249.46x = 3,375.90 × 951.84
  4. Step 4: Simplify right side
    2,249.46x = 3,213,316.66
  5. Step 5: Solve for x
    x = 3,213,316.66/2,249.46
  6. Step 6: Final answer
    x = 1,428.48

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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.