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Finding the Fourth Proportional to 46.26, 69.30 and 25.94

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Solution

The fourth proportional to 46.26, 69.30 and 25.94 is: 38.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.26 : 69.30 = 25.94 : x
  2. Step 2: Convert to fraction form
    46.26/69.30 = 25.94/x
  3. Step 3: Cross multiply
    46.26x = 69.30 × 25.94
  4. Step 4: Simplify right side
    46.26x = 1,797.30
  5. Step 5: Solve for x
    x = 1,797.30/46.26
  6. Step 6: Final answer
    x = 38.85

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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.