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Finding the Fourth Proportional to 8,360, 12,540.76 and 2,204

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Solution

The fourth proportional to 8,360, 12,540.76 and 2,204 is: 3,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360 : 12,540.76 = 2,204 : x
  2. Step 2: Convert to fraction form
    8,360/12,540.76 = 2,204/x
  3. Step 3: Cross multiply
    8,360x = 12,540.76 × 2,204
  4. Step 4: Simplify right side
    8,360x = 27,639,835.04
  5. Step 5: Solve for x
    x = 27,639,835.04/8,360
  6. Step 6: Final answer
    x = 3,306.20

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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.