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Finding the Fourth Proportional to 6,169.20, 8,514 and 3,517.44

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Solution

The fourth proportional to 6,169.20, 8,514 and 3,517.44 is: 4,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.20 : 8,514 = 3,517.44 : x
  2. Step 2: Convert to fraction form
    6,169.20/8,514 = 3,517.44/x
  3. Step 3: Cross multiply
    6,169.20x = 8,514 × 3,517.44
  4. Step 4: Simplify right side
    6,169.20x = 29,947,484.16
  5. Step 5: Solve for x
    x = 29,947,484.16/6,169.20
  6. Step 6: Final answer
    x = 4,854.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.