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Finding the Fourth Proportional to 2,097.88, 3,151.14 and 1,449.88

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Solution

The fourth proportional to 2,097.88, 3,151.14 and 1,449.88 is: 2,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.88 : 3,151.14 = 1,449.88 : x
  2. Step 2: Convert to fraction form
    2,097.88/3,151.14 = 1,449.88/x
  3. Step 3: Cross multiply
    2,097.88x = 3,151.14 × 1,449.88
  4. Step 4: Simplify right side
    2,097.88x = 4,568,774.86
  5. Step 5: Solve for x
    x = 4,568,774.86/2,097.88
  6. Step 6: Final answer
    x = 2,177.81

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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.