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Finding the Fourth Proportional to 25.36, 38.26 and 24.64

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Solution

The fourth proportional to 25.36, 38.26 and 24.64 is: 37.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.36 : 38.26 = 24.64 : x
  2. Step 2: Convert to fraction form
    25.36/38.26 = 24.64/x
  3. Step 3: Cross multiply
    25.36x = 38.26 × 24.64
  4. Step 4: Simplify right side
    25.36x = 942.73
  5. Step 5: Solve for x
    x = 942.73/25.36
  6. Step 6: Final answer
    x = 37.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.