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Finding the Fourth Proportional to 3,372, 5,058 and 1,180.23

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Solution

The fourth proportional to 3,372, 5,058 and 1,180.23 is: 1,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372 : 5,058 = 1,180.23 : x
  2. Step 2: Convert to fraction form
    3,372/5,058 = 1,180.23/x
  3. Step 3: Cross multiply
    3,372x = 5,058 × 1,180.23
  4. Step 4: Simplify right side
    3,372x = 5,969,603.34
  5. Step 5: Solve for x
    x = 5,969,603.34/3,372
  6. Step 6: Final answer
    x = 1,770.35

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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.