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Finding the Fourth Proportional to 8,260.38, 12,393 and 4,367.52

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Solution

The fourth proportional to 8,260.38, 12,393 and 4,367.52 is: 6,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.38 : 12,393 = 4,367.52 : x
  2. Step 2: Convert to fraction form
    8,260.38/12,393 = 4,367.52/x
  3. Step 3: Cross multiply
    8,260.38x = 12,393 × 4,367.52
  4. Step 4: Simplify right side
    8,260.38x = 54,126,675.36
  5. Step 5: Solve for x
    x = 54,126,675.36/8,260.38
  6. Step 6: Final answer
    x = 6,552.56

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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.