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Finding the Fourth Proportional to 5.50, 8.29 and 5.44

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Solution

The fourth proportional to 5.50, 8.29 and 5.44 is: 8.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.50 : 8.29 = 5.44 : x
  2. Step 2: Convert to fraction form
    5.50/8.29 = 5.44/x
  3. Step 3: Cross multiply
    5.50x = 8.29 × 5.44
  4. Step 4: Simplify right side
    5.50x = 45.10
  5. Step 5: Solve for x
    x = 45.10/5.50
  6. Step 6: Final answer
    x = 8.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.