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Finding the Fourth Proportional to 4,003.80, 5,994.90 and 4,003.80

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Solution

The fourth proportional to 4,003.80, 5,994.90 and 4,003.80 is: 5,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.80 : 5,994.90 = 4,003.80 : x
  2. Step 2: Convert to fraction form
    4,003.80/5,994.90 = 4,003.80/x
  3. Step 3: Cross multiply
    4,003.80x = 5,994.90 × 4,003.80
  4. Step 4: Simplify right side
    4,003.80x = 24,002,380.62
  5. Step 5: Solve for x
    x = 24,002,380.62/4,003.80
  6. Step 6: Final answer
    x = 5,994.90

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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.