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Finding the Fourth Proportional to 2,651.34, 3,974.82 and 1,169.51

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Solution

The fourth proportional to 2,651.34, 3,974.82 and 1,169.51 is: 1,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.34 : 3,974.82 = 1,169.51 : x
  2. Step 2: Convert to fraction form
    2,651.34/3,974.82 = 1,169.51/x
  3. Step 3: Cross multiply
    2,651.34x = 3,974.82 × 1,169.51
  4. Step 4: Simplify right side
    2,651.34x = 4,648,571.86
  5. Step 5: Solve for x
    x = 4,648,571.86/2,651.34
  6. Step 6: Final answer
    x = 1,753.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.