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Finding the Fourth Proportional to 3,993.34, 5,991.18 and 2,046.90

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Solution

The fourth proportional to 3,993.34, 5,991.18 and 2,046.90 is: 3,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.34 : 5,991.18 = 2,046.90 : x
  2. Step 2: Convert to fraction form
    3,993.34/5,991.18 = 2,046.90/x
  3. Step 3: Cross multiply
    3,993.34x = 5,991.18 × 2,046.90
  4. Step 4: Simplify right side
    3,993.34x = 12,263,346.34
  5. Step 5: Solve for x
    x = 12,263,346.34/3,993.34
  6. Step 6: Final answer
    x = 3,070.95

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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.