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Finding the Fourth Proportional to 32.11, 44.49 and 30.08

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Solution

The fourth proportional to 32.11, 44.49 and 30.08 is: 41.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.11 : 44.49 = 30.08 : x
  2. Step 2: Convert to fraction form
    32.11/44.49 = 30.08/x
  3. Step 3: Cross multiply
    32.11x = 44.49 × 30.08
  4. Step 4: Simplify right side
    32.11x = 1,338.48
  5. Step 5: Solve for x
    x = 1,338.48/32.11
  6. Step 6: Final answer
    x = 41.69

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.