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Finding the Fourth Proportional to 3,474.38, 4,794.65 and 1,902.51

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Solution

The fourth proportional to 3,474.38, 4,794.65 and 1,902.51 is: 2,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.38 : 4,794.65 = 1,902.51 : x
  2. Step 2: Convert to fraction form
    3,474.38/4,794.65 = 1,902.51/x
  3. Step 3: Cross multiply
    3,474.38x = 4,794.65 × 1,902.51
  4. Step 4: Simplify right side
    3,474.38x = 9,121,860.06
  5. Step 5: Solve for x
    x = 9,121,860.06/3,474.38
  6. Step 6: Final answer
    x = 2,625.47

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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.