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Finding the Fourth Proportional to 23,791.28, 35,689.34 and 8,206.88

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Solution

The fourth proportional to 23,791.28, 35,689.34 and 8,206.88 is: 12,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,791.28 : 35,689.34 = 8,206.88 : x
  2. Step 2: Convert to fraction form
    23,791.28/35,689.34 = 8,206.88/x
  3. Step 3: Cross multiply
    23,791.28x = 35,689.34 × 8,206.88
  4. Step 4: Simplify right side
    23,791.28x = 292,897,972.73
  5. Step 5: Solve for x
    x = 292,897,972.73/23,791.28
  6. Step 6: Final answer
    x = 12,311.15

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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.