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Finding the Fourth Proportional to 25.26, 37.80 and 23.96

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Solution

The fourth proportional to 25.26, 37.80 and 23.96 is: 35.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.26 : 37.80 = 23.96 : x
  2. Step 2: Convert to fraction form
    25.26/37.80 = 23.96/x
  3. Step 3: Cross multiply
    25.26x = 37.80 × 23.96
  4. Step 4: Simplify right side
    25.26x = 905.69
  5. Step 5: Solve for x
    x = 905.69/25.26
  6. Step 6: Final answer
    x = 35.85

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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.