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Finding the Fourth Proportional to 7,366, 11,049.54 and 2,749

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Solution

The fourth proportional to 7,366, 11,049.54 and 2,749 is: 4,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,366 : 11,049.54 = 2,749 : x
  2. Step 2: Convert to fraction form
    7,366/11,049.54 = 2,749/x
  3. Step 3: Cross multiply
    7,366x = 11,049.54 × 2,749
  4. Step 4: Simplify right side
    7,366x = 30,375,185.46
  5. Step 5: Solve for x
    x = 30,375,185.46/7,366
  6. Step 6: Final answer
    x = 4,123.70

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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.