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Finding the Fourth Proportional to 2,011.58, 3,016.88 and 550.44

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Solution

The fourth proportional to 2,011.58, 3,016.88 and 550.44 is: 825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.58 : 3,016.88 = 550.44 : x
  2. Step 2: Convert to fraction form
    2,011.58/3,016.88 = 550.44/x
  3. Step 3: Cross multiply
    2,011.58x = 3,016.88 × 550.44
  4. Step 4: Simplify right side
    2,011.58x = 1,660,611.43
  5. Step 5: Solve for x
    x = 1,660,611.43/2,011.58
  6. Step 6: Final answer
    x = 825.53

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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.