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Finding the Fourth Proportional to 3,474.89, 4,795.34 and 1,902.97

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Solution

The fourth proportional to 3,474.89, 4,795.34 and 1,902.97 is: 2,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.89 : 4,795.34 = 1,902.97 : x
  2. Step 2: Convert to fraction form
    3,474.89/4,795.34 = 1,902.97/x
  3. Step 3: Cross multiply
    3,474.89x = 4,795.34 × 1,902.97
  4. Step 4: Simplify right side
    3,474.89x = 9,125,388.16
  5. Step 5: Solve for x
    x = 9,125,388.16/3,474.89
  6. Step 6: Final answer
    x = 2,626.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.