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Finding the Fourth Proportional to 3,443.74, 5,162.11 and 1,360.88

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Solution

The fourth proportional to 3,443.74, 5,162.11 and 1,360.88 is: 2,039.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.74 : 5,162.11 = 1,360.88 : x
  2. Step 2: Convert to fraction form
    3,443.74/5,162.11 = 1,360.88/x
  3. Step 3: Cross multiply
    3,443.74x = 5,162.11 × 1,360.88
  4. Step 4: Simplify right side
    3,443.74x = 7,025,012.26
  5. Step 5: Solve for x
    x = 7,025,012.26/3,443.74
  6. Step 6: Final answer
    x = 2,039.94

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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.