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Finding the Fourth Proportional to 7,494.97, 11,240.49 and 2,228.56

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Solution

The fourth proportional to 7,494.97, 11,240.49 and 2,228.56 is: 3,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.97 : 11,240.49 = 2,228.56 : x
  2. Step 2: Convert to fraction form
    7,494.97/11,240.49 = 2,228.56/x
  3. Step 3: Cross multiply
    7,494.97x = 11,240.49 × 2,228.56
  4. Step 4: Simplify right side
    7,494.97x = 25,050,121.78
  5. Step 5: Solve for x
    x = 25,050,121.78/7,494.97
  6. Step 6: Final answer
    x = 3,342.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.