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Finding the Fourth Proportional to 7,998.05, 11,997.20 and 3,067.97

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Solution

The fourth proportional to 7,998.05, 11,997.20 and 3,067.97 is: 4,602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.05 : 11,997.20 = 3,067.97 : x
  2. Step 2: Convert to fraction form
    7,998.05/11,997.20 = 3,067.97/x
  3. Step 3: Cross multiply
    7,998.05x = 11,997.20 × 3,067.97
  4. Step 4: Simplify right side
    7,998.05x = 36,807,049.68
  5. Step 5: Solve for x
    x = 36,807,049.68/7,998.05
  6. Step 6: Final answer
    x = 4,602.00

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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.