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Finding the Fourth Proportional to 2,168.39, 3,249.18 and 1,676.00

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Solution

The fourth proportional to 2,168.39, 3,249.18 and 1,676.00 is: 2,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.39 : 3,249.18 = 1,676.00 : x
  2. Step 2: Convert to fraction form
    2,168.39/3,249.18 = 1,676.00/x
  3. Step 3: Cross multiply
    2,168.39x = 3,249.18 × 1,676.00
  4. Step 4: Simplify right side
    2,168.39x = 5,445,619.33
  5. Step 5: Solve for x
    x = 5,445,619.33/2,168.39
  6. Step 6: Final answer
    x = 2,511.37

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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.