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Finding the Fourth Proportional to 5,339.44, 8,010.24 and 1,879.12

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Solution

The fourth proportional to 5,339.44, 8,010.24 and 1,879.12 is: 2,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.44 : 8,010.24 = 1,879.12 : x
  2. Step 2: Convert to fraction form
    5,339.44/8,010.24 = 1,879.12/x
  3. Step 3: Cross multiply
    5,339.44x = 8,010.24 × 1,879.12
  4. Step 4: Simplify right side
    5,339.44x = 15,052,202.19
  5. Step 5: Solve for x
    x = 15,052,202.19/5,339.44
  6. Step 6: Final answer
    x = 2,819.06

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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.