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Finding the Fourth Proportional to 7,262.92, 10,891.12 and 2,067.56

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Solution

The fourth proportional to 7,262.92, 10,891.12 and 2,067.56 is: 3,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.92 : 10,891.12 = 2,067.56 : x
  2. Step 2: Convert to fraction form
    7,262.92/10,891.12 = 2,067.56/x
  3. Step 3: Cross multiply
    7,262.92x = 10,891.12 × 2,067.56
  4. Step 4: Simplify right side
    7,262.92x = 22,518,044.07
  5. Step 5: Solve for x
    x = 22,518,044.07/7,262.92
  6. Step 6: Final answer
    x = 3,100.41

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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.