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Finding the Fourth Proportional to 3,165.44, 4,747.52 and 2,650.88

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Solution

The fourth proportional to 3,165.44, 4,747.52 and 2,650.88 is: 3,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.44 : 4,747.52 = 2,650.88 : x
  2. Step 2: Convert to fraction form
    3,165.44/4,747.52 = 2,650.88/x
  3. Step 3: Cross multiply
    3,165.44x = 4,747.52 × 2,650.88
  4. Step 4: Simplify right side
    3,165.44x = 12,585,105.82
  5. Step 5: Solve for x
    x = 12,585,105.82/3,165.44
  6. Step 6: Final answer
    x = 3,975.78

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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.