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Finding the Fourth Proportional to 3,481.84, 5,222.94 and 1,748.44

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Solution

The fourth proportional to 3,481.84, 5,222.94 and 1,748.44 is: 2,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.84 : 5,222.94 = 1,748.44 : x
  2. Step 2: Convert to fraction form
    3,481.84/5,222.94 = 1,748.44/x
  3. Step 3: Cross multiply
    3,481.84x = 5,222.94 × 1,748.44
  4. Step 4: Simplify right side
    3,481.84x = 9,131,997.21
  5. Step 5: Solve for x
    x = 9,131,997.21/3,481.84
  6. Step 6: Final answer
    x = 2,622.75

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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.