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Finding the Fourth Proportional to 2,682.29, 4,023.41 and 734.49

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Solution

The fourth proportional to 2,682.29, 4,023.41 and 734.49 is: 1,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.29 : 4,023.41 = 734.49 : x
  2. Step 2: Convert to fraction form
    2,682.29/4,023.41 = 734.49/x
  3. Step 3: Cross multiply
    2,682.29x = 4,023.41 × 734.49
  4. Step 4: Simplify right side
    2,682.29x = 2,955,154.41
  5. Step 5: Solve for x
    x = 2,955,154.41/2,682.29
  6. Step 6: Final answer
    x = 1,101.73

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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.