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Finding the Fourth Proportional to 2,018.14, 3,026.13 and 863.26

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Solution

The fourth proportional to 2,018.14, 3,026.13 and 863.26 is: 1,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.14 : 3,026.13 = 863.26 : x
  2. Step 2: Convert to fraction form
    2,018.14/3,026.13 = 863.26/x
  3. Step 3: Cross multiply
    2,018.14x = 3,026.13 × 863.26
  4. Step 4: Simplify right side
    2,018.14x = 2,612,336.98
  5. Step 5: Solve for x
    x = 2,612,336.98/2,018.14
  6. Step 6: Final answer
    x = 1,294.43

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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.