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Finding the Fourth Proportional to 2,033.28, 3,051.10 and 863.22

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Solution

The fourth proportional to 2,033.28, 3,051.10 and 863.22 is: 1,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.28 : 3,051.10 = 863.22 : x
  2. Step 2: Convert to fraction form
    2,033.28/3,051.10 = 863.22/x
  3. Step 3: Cross multiply
    2,033.28x = 3,051.10 × 863.22
  4. Step 4: Simplify right side
    2,033.28x = 2,633,770.54
  5. Step 5: Solve for x
    x = 2,633,770.54/2,033.28
  6. Step 6: Final answer
    x = 1,295.33

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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.