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Finding the Fourth Proportional to 3,373.58, 5,057.12 and 1,812.44

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Solution

The fourth proportional to 3,373.58, 5,057.12 and 1,812.44 is: 2,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.58 : 5,057.12 = 1,812.44 : x
  2. Step 2: Convert to fraction form
    3,373.58/5,057.12 = 1,812.44/x
  3. Step 3: Cross multiply
    3,373.58x = 5,057.12 × 1,812.44
  4. Step 4: Simplify right side
    3,373.58x = 9,165,726.57
  5. Step 5: Solve for x
    x = 9,165,726.57/3,373.58
  6. Step 6: Final answer
    x = 2,716.91

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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.