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Finding the Fourth Proportional to 25.54, 38.25 and 25.23

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Solution

The fourth proportional to 25.54, 38.25 and 25.23 is: 37.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.54 : 38.25 = 25.23 : x
  2. Step 2: Convert to fraction form
    25.54/38.25 = 25.23/x
  3. Step 3: Cross multiply
    25.54x = 38.25 × 25.23
  4. Step 4: Simplify right side
    25.54x = 965.05
  5. Step 5: Solve for x
    x = 965.05/25.54
  6. Step 6: Final answer
    x = 37.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.