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Finding the Fourth Proportional to 2,027.39, 3,041.11 and 728.86

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Solution

The fourth proportional to 2,027.39, 3,041.11 and 728.86 is: 1,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.39 : 3,041.11 = 728.86 : x
  2. Step 2: Convert to fraction form
    2,027.39/3,041.11 = 728.86/x
  3. Step 3: Cross multiply
    2,027.39x = 3,041.11 × 728.86
  4. Step 4: Simplify right side
    2,027.39x = 2,216,542.44
  5. Step 5: Solve for x
    x = 2,216,542.44/2,027.39
  6. Step 6: Final answer
    x = 1,093.30

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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.