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Finding the Fourth Proportional to 5.70, 8.48 and 5.44

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Solution

The fourth proportional to 5.70, 8.48 and 5.44 is: 8.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.70 : 8.48 = 5.44 : x
  2. Step 2: Convert to fraction form
    5.70/8.48 = 5.44/x
  3. Step 3: Cross multiply
    5.70x = 8.48 × 5.44
  4. Step 4: Simplify right side
    5.70x = 46.13
  5. Step 5: Solve for x
    x = 46.13/5.70
  6. Step 6: Final answer
    x = 8.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.