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Finding the Fourth Proportional to 27.96, 41.69 and 24.18

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Solution

The fourth proportional to 27.96, 41.69 and 24.18 is: 36.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.96 : 41.69 = 24.18 : x
  2. Step 2: Convert to fraction form
    27.96/41.69 = 24.18/x
  3. Step 3: Cross multiply
    27.96x = 41.69 × 24.18
  4. Step 4: Simplify right side
    27.96x = 1,008.12
  5. Step 5: Solve for x
    x = 1,008.12/27.96
  6. Step 6: Final answer
    x = 36.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.