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Finding the Fourth Proportional to 25.56, 38.13 and 23.97

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Solution

The fourth proportional to 25.56, 38.13 and 23.97 is: 35.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.56 : 38.13 = 23.97 : x
  2. Step 2: Convert to fraction form
    25.56/38.13 = 23.97/x
  3. Step 3: Cross multiply
    25.56x = 38.13 × 23.97
  4. Step 4: Simplify right side
    25.56x = 913.98
  5. Step 5: Solve for x
    x = 913.98/25.56
  6. Step 6: Final answer
    x = 35.76

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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.