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Finding the Fourth Proportional to 46.50, 69.69 and 22.41

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Solution

The fourth proportional to 46.50, 69.69 and 22.41 is: 33.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.50 : 69.69 = 22.41 : x
  2. Step 2: Convert to fraction form
    46.50/69.69 = 22.41/x
  3. Step 3: Cross multiply
    46.50x = 69.69 × 22.41
  4. Step 4: Simplify right side
    46.50x = 1,561.75
  5. Step 5: Solve for x
    x = 1,561.75/46.50
  6. Step 6: Final answer
    x = 33.59

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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.