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Finding the Fourth Proportional to 5,872.82, 8,104.86 and 3,879.88

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Solution

The fourth proportional to 5,872.82, 8,104.86 and 3,879.88 is: 5,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.82 : 8,104.86 = 3,879.88 : x
  2. Step 2: Convert to fraction form
    5,872.82/8,104.86 = 3,879.88/x
  3. Step 3: Cross multiply
    5,872.82x = 8,104.86 × 3,879.88
  4. Step 4: Simplify right side
    5,872.82x = 31,445,863.95
  5. Step 5: Solve for x
    x = 31,445,863.95/5,872.82
  6. Step 6: Final answer
    x = 5,354.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.