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Finding the Fourth Proportional to 3,408.03, 5,110.02 and 1,067.40

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Solution

The fourth proportional to 3,408.03, 5,110.02 and 1,067.40 is: 1,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.03 : 5,110.02 = 1,067.40 : x
  2. Step 2: Convert to fraction form
    3,408.03/5,110.02 = 1,067.40/x
  3. Step 3: Cross multiply
    3,408.03x = 5,110.02 × 1,067.40
  4. Step 4: Simplify right side
    3,408.03x = 5,454,435.35
  5. Step 5: Solve for x
    x = 5,454,435.35/3,408.03
  6. Step 6: Final answer
    x = 1,600.47

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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.