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Finding the Fourth Proportional to 3,974.09, 5,959.73 and 1,633.41

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Solution

The fourth proportional to 3,974.09, 5,959.73 and 1,633.41 is: 2,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.09 : 5,959.73 = 1,633.41 : x
  2. Step 2: Convert to fraction form
    3,974.09/5,959.73 = 1,633.41/x
  3. Step 3: Cross multiply
    3,974.09x = 5,959.73 × 1,633.41
  4. Step 4: Simplify right side
    3,974.09x = 9,734,674.41
  5. Step 5: Solve for x
    x = 9,734,674.41/3,974.09
  6. Step 6: Final answer
    x = 2,449.54

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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.