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Finding the Fourth Proportional to 14.62, 22.06 and 14

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Solution

The fourth proportional to 14.62, 22.06 and 14 is: 21.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.62 : 22.06 = 14 : x
  2. Step 2: Convert to fraction form
    14.62/22.06 = 14/x
  3. Step 3: Cross multiply
    14.62x = 22.06 × 14
  4. Step 4: Simplify right side
    14.62x = 308.84
  5. Step 5: Solve for x
    x = 308.84/14.62
  6. Step 6: Final answer
    x = 21.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.