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Finding the Fourth Proportional to 2,676.56, 4,023.04 and 2,619.14

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Solution

The fourth proportional to 2,676.56, 4,023.04 and 2,619.14 is: 3,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.56 : 4,023.04 = 2,619.14 : x
  2. Step 2: Convert to fraction form
    2,676.56/4,023.04 = 2,619.14/x
  3. Step 3: Cross multiply
    2,676.56x = 4,023.04 × 2,619.14
  4. Step 4: Simplify right side
    2,676.56x = 10,536,904.99
  5. Step 5: Solve for x
    x = 10,536,904.99/2,676.56
  6. Step 6: Final answer
    x = 3,936.73

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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.