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Finding the Fourth Proportional to 5,998.82, 8,998.28 and 3,919.82

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Solution

The fourth proportional to 5,998.82, 8,998.28 and 3,919.82 is: 5,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.82 : 8,998.28 = 3,919.82 : x
  2. Step 2: Convert to fraction form
    5,998.82/8,998.28 = 3,919.82/x
  3. Step 3: Cross multiply
    5,998.82x = 8,998.28 × 3,919.82
  4. Step 4: Simplify right side
    5,998.82x = 35,271,618.31
  5. Step 5: Solve for x
    x = 35,271,618.31/5,998.82
  6. Step 6: Final answer
    x = 5,879.76

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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.