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Finding the Fourth Proportional to 2,011.10, 3,016.38 and 550.34

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Solution

The fourth proportional to 2,011.10, 3,016.38 and 550.34 is: 825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.10 : 3,016.38 = 550.34 : x
  2. Step 2: Convert to fraction form
    2,011.10/3,016.38 = 550.34/x
  3. Step 3: Cross multiply
    2,011.10x = 3,016.38 × 550.34
  4. Step 4: Simplify right side
    2,011.10x = 1,660,034.57
  5. Step 5: Solve for x
    x = 1,660,034.57/2,011.10
  6. Step 6: Final answer
    x = 825.44

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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.