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Finding the Fourth Proportional to 5.62, 8.44 and 3.26

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Solution

The fourth proportional to 5.62, 8.44 and 3.26 is: 4.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.62 : 8.44 = 3.26 : x
  2. Step 2: Convert to fraction form
    5.62/8.44 = 3.26/x
  3. Step 3: Cross multiply
    5.62x = 8.44 × 3.26
  4. Step 4: Simplify right side
    5.62x = 27.51
  5. Step 5: Solve for x
    x = 27.51/5.62
  6. Step 6: Final answer
    x = 4.90

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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.