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Finding the Fourth Proportional to 8,836.72, 13,255.49 and 6,251.20

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Solution

The fourth proportional to 8,836.72, 13,255.49 and 6,251.20 is: 9,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.72 : 13,255.49 = 6,251.20 : x
  2. Step 2: Convert to fraction form
    8,836.72/13,255.49 = 6,251.20/x
  3. Step 3: Cross multiply
    8,836.72x = 13,255.49 × 6,251.20
  4. Step 4: Simplify right side
    8,836.72x = 82,862,719.09
  5. Step 5: Solve for x
    x = 82,862,719.09/8,836.72
  6. Step 6: Final answer
    x = 9,377.09

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1.5x scale

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.