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Finding the Fourth Proportional to 46.22, 69.33 and 25.95

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Solution

The fourth proportional to 46.22, 69.33 and 25.95 is: 38.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.22 : 69.33 = 25.95 : x
  2. Step 2: Convert to fraction form
    46.22/69.33 = 25.95/x
  3. Step 3: Cross multiply
    46.22x = 69.33 × 25.95
  4. Step 4: Simplify right side
    46.22x = 1,799.11
  5. Step 5: Solve for x
    x = 1,799.11/46.22
  6. Step 6: Final answer
    x = 38.93

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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.