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Finding the Fourth Proportional to 8,169.52, 12,236.04 and 6,307

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Solution

The fourth proportional to 8,169.52, 12,236.04 and 6,307 is: 9,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.52 : 12,236.04 = 6,307 : x
  2. Step 2: Convert to fraction form
    8,169.52/12,236.04 = 6,307/x
  3. Step 3: Cross multiply
    8,169.52x = 12,236.04 × 6,307
  4. Step 4: Simplify right side
    8,169.52x = 77,172,704.28
  5. Step 5: Solve for x
    x = 77,172,704.28/8,169.52
  6. Step 6: Final answer
    x = 9,446.42

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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.