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Finding the Fourth Proportional to 8,049, 11,105.18 and 5,067.81

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Solution

The fourth proportional to 8,049, 11,105.18 and 5,067.81 is: 6,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049 : 11,105.18 = 5,067.81 : x
  2. Step 2: Convert to fraction form
    8,049/11,105.18 = 5,067.81/x
  3. Step 3: Cross multiply
    8,049x = 11,105.18 × 5,067.81
  4. Step 4: Simplify right side
    8,049x = 56,278,916.92
  5. Step 5: Solve for x
    x = 56,278,916.92/8,049
  6. Step 6: Final answer
    x = 6,992.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.