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Finding the Fourth Proportional to 2,494.21, 3,734.07 and 1,451.03

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Solution

The fourth proportional to 2,494.21, 3,734.07 and 1,451.03 is: 2,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,494.21 : 3,734.07 = 1,451.03 : x
  2. Step 2: Convert to fraction form
    2,494.21/3,734.07 = 1,451.03/x
  3. Step 3: Cross multiply
    2,494.21x = 3,734.07 × 1,451.03
  4. Step 4: Simplify right side
    2,494.21x = 5,418,247.59
  5. Step 5: Solve for x
    x = 5,418,247.59/2,494.21
  6. Step 6: Final answer
    x = 2,172.33

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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.