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Finding the Fourth Proportional to 25.74, 38.38 and 24.02

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Solution

The fourth proportional to 25.74, 38.38 and 24.02 is: 35.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.74 : 38.38 = 24.02 : x
  2. Step 2: Convert to fraction form
    25.74/38.38 = 24.02/x
  3. Step 3: Cross multiply
    25.74x = 38.38 × 24.02
  4. Step 4: Simplify right side
    25.74x = 921.89
  5. Step 5: Solve for x
    x = 921.89/25.74
  6. Step 6: Final answer
    x = 35.82

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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.