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Finding the Fourth Proportional to 5.32, 7.35 and 4.11

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Solution

The fourth proportional to 5.32, 7.35 and 4.11 is: 5.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.32 : 7.35 = 4.11 : x
  2. Step 2: Convert to fraction form
    5.32/7.35 = 4.11/x
  3. Step 3: Cross multiply
    5.32x = 7.35 × 4.11
  4. Step 4: Simplify right side
    5.32x = 30.21
  5. Step 5: Solve for x
    x = 30.21/5.32
  6. Step 6: Final answer
    x = 5.68

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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.