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Finding the Fourth Proportional to 8,007.92, 11,982.83 and 5,791.19

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Solution

The fourth proportional to 8,007.92, 11,982.83 and 5,791.19 is: 8,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.92 : 11,982.83 = 5,791.19 : x
  2. Step 2: Convert to fraction form
    8,007.92/11,982.83 = 5,791.19/x
  3. Step 3: Cross multiply
    8,007.92x = 11,982.83 × 5,791.19
  4. Step 4: Simplify right side
    8,007.92x = 69,394,756.40
  5. Step 5: Solve for x
    x = 69,394,756.40/8,007.92
  6. Step 6: Final answer
    x = 8,665.77

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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.