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Finding the Fourth Proportional to 2,754.68, 4,129.86 and 1,367.04

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Solution

The fourth proportional to 2,754.68, 4,129.86 and 1,367.04 is: 2,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.68 : 4,129.86 = 1,367.04 : x
  2. Step 2: Convert to fraction form
    2,754.68/4,129.86 = 1,367.04/x
  3. Step 3: Cross multiply
    2,754.68x = 4,129.86 × 1,367.04
  4. Step 4: Simplify right side
    2,754.68x = 5,645,683.81
  5. Step 5: Solve for x
    x = 5,645,683.81/2,754.68
  6. Step 6: Final answer
    x = 2,049.49

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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.