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Finding the Fourth Proportional to 24.56, 33.92 and 19.05

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Solution

The fourth proportional to 24.56, 33.92 and 19.05 is: 26.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.56 : 33.92 = 19.05 : x
  2. Step 2: Convert to fraction form
    24.56/33.92 = 19.05/x
  3. Step 3: Cross multiply
    24.56x = 33.92 × 19.05
  4. Step 4: Simplify right side
    24.56x = 645.95
  5. Step 5: Solve for x
    x = 645.95/24.56
  6. Step 6: Final answer
    x = 26.30

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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.