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Finding the Fourth Proportional to 3,994.67, 5,995.15 and 2,770.70

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Solution

The fourth proportional to 3,994.67, 5,995.15 and 2,770.70 is: 4,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.67 : 5,995.15 = 2,770.70 : x
  2. Step 2: Convert to fraction form
    3,994.67/5,995.15 = 2,770.70/x
  3. Step 3: Cross multiply
    3,994.67x = 5,995.15 × 2,770.70
  4. Step 4: Simplify right side
    3,994.67x = 16,610,725.20
  5. Step 5: Solve for x
    x = 16,610,725.20/3,994.67
  6. Step 6: Final answer
    x = 4,158.22

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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.