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Finding the Fourth Proportional to 5.62, 8.41 and 3.48

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Solution

The fourth proportional to 5.62, 8.41 and 3.48 is: 5.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.62 : 8.41 = 3.48 : x
  2. Step 2: Convert to fraction form
    5.62/8.41 = 3.48/x
  3. Step 3: Cross multiply
    5.62x = 8.41 × 3.48
  4. Step 4: Simplify right side
    5.62x = 29.25
  5. Step 5: Solve for x
    x = 29.25/5.62
  6. Step 6: Final answer
    x = 5.21

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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.