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Finding the Fourth Proportional to 8,027.62, 12,042.39 and 2,405.62

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Solution

The fourth proportional to 8,027.62, 12,042.39 and 2,405.62 is: 3,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,027.62 : 12,042.39 = 2,405.62 : x
  2. Step 2: Convert to fraction form
    8,027.62/12,042.39 = 2,405.62/x
  3. Step 3: Cross multiply
    8,027.62x = 12,042.39 × 2,405.62
  4. Step 4: Simplify right side
    8,027.62x = 28,969,414.23
  5. Step 5: Solve for x
    x = 28,969,414.23/8,027.62
  6. Step 6: Final answer
    x = 3,608.72

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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.