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Finding the Fourth Proportional to 27,042.84, 40,560.62 and 8,067.20

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Solution

The fourth proportional to 27,042.84, 40,560.62 and 8,067.20 is: 12,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,042.84 : 40,560.62 = 8,067.20 : x
  2. Step 2: Convert to fraction form
    27,042.84/40,560.62 = 8,067.20/x
  3. Step 3: Cross multiply
    27,042.84x = 40,560.62 × 8,067.20
  4. Step 4: Simplify right side
    27,042.84x = 327,210,390.52
  5. Step 5: Solve for x
    x = 327,210,390.52/27,042.84
  6. Step 6: Final answer
    x = 12,099.71

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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.