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Finding the Fourth Proportional to 25.48, 38.28 and 24.58

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Solution

The fourth proportional to 25.48, 38.28 and 24.58 is: 36.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.48 : 38.28 = 24.58 : x
  2. Step 2: Convert to fraction form
    25.48/38.28 = 24.58/x
  3. Step 3: Cross multiply
    25.48x = 38.28 × 24.58
  4. Step 4: Simplify right side
    25.48x = 940.92
  5. Step 5: Solve for x
    x = 940.92/25.48
  6. Step 6: Final answer
    x = 36.93

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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.