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Finding the Fourth Proportional to 5.41, 7.49 and 5.32

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Solution

The fourth proportional to 5.41, 7.49 and 5.32 is: 7.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.41 : 7.49 = 5.32 : x
  2. Step 2: Convert to fraction form
    5.41/7.49 = 5.32/x
  3. Step 3: Cross multiply
    5.41x = 7.49 × 5.32
  4. Step 4: Simplify right side
    5.41x = 39.85
  5. Step 5: Solve for x
    x = 39.85/5.41
  6. Step 6: Final answer
    x = 7.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.