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Finding the Fourth Proportional to 27.95, 38.48 and 24.11

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Solution

The fourth proportional to 27.95, 38.48 and 24.11 is: 33.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.95 : 38.48 = 24.11 : x
  2. Step 2: Convert to fraction form
    27.95/38.48 = 24.11/x
  3. Step 3: Cross multiply
    27.95x = 38.48 × 24.11
  4. Step 4: Simplify right side
    27.95x = 927.80
  5. Step 5: Solve for x
    x = 927.80/27.95
  6. Step 6: Final answer
    x = 33.19

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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.