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Finding the Fourth Proportional to 5,656.41, 8,481.87 and 1,958.85

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Solution

The fourth proportional to 5,656.41, 8,481.87 and 1,958.85 is: 2,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.41 : 8,481.87 = 1,958.85 : x
  2. Step 2: Convert to fraction form
    5,656.41/8,481.87 = 1,958.85/x
  3. Step 3: Cross multiply
    5,656.41x = 8,481.87 × 1,958.85
  4. Step 4: Simplify right side
    5,656.41x = 16,614,711.05
  5. Step 5: Solve for x
    x = 16,614,711.05/5,656.41
  6. Step 6: Final answer
    x = 2,937.32

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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.