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Finding the Fourth Proportional to 3,294.72, 4,941.90 and 1,995.84

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Solution

The fourth proportional to 3,294.72, 4,941.90 and 1,995.84 is: 2,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.72 : 4,941.90 = 1,995.84 : x
  2. Step 2: Convert to fraction form
    3,294.72/4,941.90 = 1,995.84/x
  3. Step 3: Cross multiply
    3,294.72x = 4,941.90 × 1,995.84
  4. Step 4: Simplify right side
    3,294.72x = 9,863,241.70
  5. Step 5: Solve for x
    x = 9,863,241.70/3,294.72
  6. Step 6: Final answer
    x = 2,993.65

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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.