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Finding the Fourth Proportional to 24.95, 34.44 and 20.33

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Solution

The fourth proportional to 24.95, 34.44 and 20.33 is: 28.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.95 : 34.44 = 20.33 : x
  2. Step 2: Convert to fraction form
    24.95/34.44 = 20.33/x
  3. Step 3: Cross multiply
    24.95x = 34.44 × 20.33
  4. Step 4: Simplify right side
    24.95x = 700.17
  5. Step 5: Solve for x
    x = 700.17/24.95
  6. Step 6: Final answer
    x = 28.07

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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.