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Finding the Fourth Proportional to 3,357.84, 5,034.24 and 1,165.44

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Solution

The fourth proportional to 3,357.84, 5,034.24 and 1,165.44 is: 1,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.84 : 5,034.24 = 1,165.44 : x
  2. Step 2: Convert to fraction form
    3,357.84/5,034.24 = 1,165.44/x
  3. Step 3: Cross multiply
    3,357.84x = 5,034.24 × 1,165.44
  4. Step 4: Simplify right side
    3,357.84x = 5,867,104.67
  5. Step 5: Solve for x
    x = 5,867,104.67/3,357.84
  6. Step 6: Final answer
    x = 1,747.29

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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.