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Finding the Fourth Proportional to 2,879.44, 4,321.44 and 2,014.48

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Solution

The fourth proportional to 2,879.44, 4,321.44 and 2,014.48 is: 3,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.44 : 4,321.44 = 2,014.48 : x
  2. Step 2: Convert to fraction form
    2,879.44/4,321.44 = 2,014.48/x
  3. Step 3: Cross multiply
    2,879.44x = 4,321.44 × 2,014.48
  4. Step 4: Simplify right side
    2,879.44x = 8,705,454.45
  5. Step 5: Solve for x
    x = 8,705,454.45/2,879.44
  6. Step 6: Final answer
    x = 3,023.32

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1.5x scale

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.