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Finding the Fourth Proportional to 22.12, 33.10 and 14

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Solution

The fourth proportional to 22.12, 33.10 and 14 is: 20.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.12 : 33.10 = 14 : x
  2. Step 2: Convert to fraction form
    22.12/33.10 = 14/x
  3. Step 3: Cross multiply
    22.12x = 33.10 × 14
  4. Step 4: Simplify right side
    22.12x = 463.40
  5. Step 5: Solve for x
    x = 463.40/22.12
  6. Step 6: Final answer
    x = 20.95

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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.