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Finding the Fourth Proportional to 2,754.90, 4,131.18 and 1,367.70

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Solution

The fourth proportional to 2,754.90, 4,131.18 and 1,367.70 is: 2,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.90 : 4,131.18 = 1,367.70 : x
  2. Step 2: Convert to fraction form
    2,754.90/4,131.18 = 1,367.70/x
  3. Step 3: Cross multiply
    2,754.90x = 4,131.18 × 1,367.70
  4. Step 4: Simplify right side
    2,754.90x = 5,650,214.89
  5. Step 5: Solve for x
    x = 5,650,214.89/2,754.90
  6. Step 6: Final answer
    x = 2,050.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.