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Finding the Fourth Proportional to 7,993.97, 11,992.69 and 3,063.62

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Solution

The fourth proportional to 7,993.97, 11,992.69 and 3,063.62 is: 4,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.97 : 11,992.69 = 3,063.62 : x
  2. Step 2: Convert to fraction form
    7,993.97/11,992.69 = 3,063.62/x
  3. Step 3: Cross multiply
    7,993.97x = 11,992.69 × 3,063.62
  4. Step 4: Simplify right side
    7,993.97x = 36,741,011.29
  5. Step 5: Solve for x
    x = 36,741,011.29/7,993.97
  6. Step 6: Final answer
    x = 4,596.09

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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.