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Finding the Fourth Proportional to 2,026.92, 2,796.51 and 1,142.56

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Solution

The fourth proportional to 2,026.92, 2,796.51 and 1,142.56 is: 1,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.92 : 2,796.51 = 1,142.56 : x
  2. Step 2: Convert to fraction form
    2,026.92/2,796.51 = 1,142.56/x
  3. Step 3: Cross multiply
    2,026.92x = 2,796.51 × 1,142.56
  4. Step 4: Simplify right side
    2,026.92x = 3,195,170.91
  5. Step 5: Solve for x
    x = 3,195,170.91/2,026.92
  6. Step 6: Final answer
    x = 1,576.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.