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Finding the Fourth Proportional to 7,375.38, 11,064.68 and 2,758.38

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Solution

The fourth proportional to 7,375.38, 11,064.68 and 2,758.38 is: 4,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.38 : 11,064.68 = 2,758.38 : x
  2. Step 2: Convert to fraction form
    7,375.38/11,064.68 = 2,758.38/x
  3. Step 3: Cross multiply
    7,375.38x = 11,064.68 × 2,758.38
  4. Step 4: Simplify right side
    7,375.38x = 30,520,592.02
  5. Step 5: Solve for x
    x = 30,520,592.02/7,375.38
  6. Step 6: Final answer
    x = 4,138.17

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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.