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Finding the Fourth Proportional to 3,998.04, 5,994.06 and 2,761.92

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Solution

The fourth proportional to 3,998.04, 5,994.06 and 2,761.92 is: 4,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.04 : 5,994.06 = 2,761.92 : x
  2. Step 2: Convert to fraction form
    3,998.04/5,994.06 = 2,761.92/x
  3. Step 3: Cross multiply
    3,998.04x = 5,994.06 × 2,761.92
  4. Step 4: Simplify right side
    3,998.04x = 16,555,114.20
  5. Step 5: Solve for x
    x = 16,555,114.20/3,998.04
  6. Step 6: Final answer
    x = 4,140.81

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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.