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Finding the Fourth Proportional to 5.62, 8.44 and 2.24

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Solution

The fourth proportional to 5.62, 8.44 and 2.24 is: 3.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.62 : 8.44 = 2.24 : x
  2. Step 2: Convert to fraction form
    5.62/8.44 = 2.24/x
  3. Step 3: Cross multiply
    5.62x = 8.44 × 2.24
  4. Step 4: Simplify right side
    5.62x = 18.91
  5. Step 5: Solve for x
    x = 18.91/5.62
  6. Step 6: Final answer
    x = 3.36

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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.