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Finding the Fourth Proportional to 46.22, 69.34 and 22.14

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Solution

The fourth proportional to 46.22, 69.34 and 22.14 is: 33.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.22 : 69.34 = 22.14 : x
  2. Step 2: Convert to fraction form
    46.22/69.34 = 22.14/x
  3. Step 3: Cross multiply
    46.22x = 69.34 × 22.14
  4. Step 4: Simplify right side
    46.22x = 1,535.19
  5. Step 5: Solve for x
    x = 1,535.19/46.22
  6. Step 6: Final answer
    x = 33.21

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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.