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Finding the Fourth Proportional to 6,247, 9,367.92 and 2,546.72

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Solution

The fourth proportional to 6,247, 9,367.92 and 2,546.72 is: 3,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247 : 9,367.92 = 2,546.72 : x
  2. Step 2: Convert to fraction form
    6,247/9,367.92 = 2,546.72/x
  3. Step 3: Cross multiply
    6,247x = 9,367.92 × 2,546.72
  4. Step 4: Simplify right side
    6,247x = 23,857,469.22
  5. Step 5: Solve for x
    x = 23,857,469.22/6,247
  6. Step 6: Final answer
    x = 3,819.03

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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.