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Finding the Fourth Proportional to 7,999.44, 11,993.40 and 3,067.92

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Solution

The fourth proportional to 7,999.44, 11,993.40 and 3,067.92 is: 4,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.44 : 11,993.40 = 3,067.92 : x
  2. Step 2: Convert to fraction form
    7,999.44/11,993.40 = 3,067.92/x
  3. Step 3: Cross multiply
    7,999.44x = 11,993.40 × 3,067.92
  4. Step 4: Simplify right side
    7,999.44x = 36,794,791.73
  5. Step 5: Solve for x
    x = 36,794,791.73/7,999.44
  6. Step 6: Final answer
    x = 4,599.67

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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.