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Finding the Fourth Proportional to 5,375.60, 8,058.54 and 1,912.04

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Solution

The fourth proportional to 5,375.60, 8,058.54 and 1,912.04 is: 2,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.60 : 8,058.54 = 1,912.04 : x
  2. Step 2: Convert to fraction form
    5,375.60/8,058.54 = 1,912.04/x
  3. Step 3: Cross multiply
    5,375.60x = 8,058.54 × 1,912.04
  4. Step 4: Simplify right side
    5,375.60x = 15,408,250.82
  5. Step 5: Solve for x
    x = 15,408,250.82/5,375.60
  6. Step 6: Final answer
    x = 2,866.33

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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.