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Finding the Fourth Proportional to 5,654.82, 8,481.82 and 2,879.76

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Solution

The fourth proportional to 5,654.82, 8,481.82 and 2,879.76 is: 4,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.82 : 8,481.82 = 2,879.76 : x
  2. Step 2: Convert to fraction form
    5,654.82/8,481.82 = 2,879.76/x
  3. Step 3: Cross multiply
    5,654.82x = 8,481.82 × 2,879.76
  4. Step 4: Simplify right side
    5,654.82x = 24,425,605.96
  5. Step 5: Solve for x
    x = 24,425,605.96/5,654.82
  6. Step 6: Final answer
    x = 4,319.43

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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.