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Finding the Fourth Proportional to 2,469.76, 3,408.23 and 1,350.67

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Solution

The fourth proportional to 2,469.76, 3,408.23 and 1,350.67 is: 1,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.76 : 3,408.23 = 1,350.67 : x
  2. Step 2: Convert to fraction form
    2,469.76/3,408.23 = 1,350.67/x
  3. Step 3: Cross multiply
    2,469.76x = 3,408.23 × 1,350.67
  4. Step 4: Simplify right side
    2,469.76x = 4,603,387.66
  5. Step 5: Solve for x
    x = 4,603,387.66/2,469.76
  6. Step 6: Final answer
    x = 1,863.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.