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Finding the Fourth Proportional to 5,940.72, 8,910.89 and 2,822.97

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Solution

The fourth proportional to 5,940.72, 8,910.89 and 2,822.97 is: 4,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.72 : 8,910.89 = 2,822.97 : x
  2. Step 2: Convert to fraction form
    5,940.72/8,910.89 = 2,822.97/x
  3. Step 3: Cross multiply
    5,940.72x = 8,910.89 × 2,822.97
  4. Step 4: Simplify right side
    5,940.72x = 25,155,175.14
  5. Step 5: Solve for x
    x = 25,155,175.14/5,940.72
  6. Step 6: Final answer
    x = 4,234.36

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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.