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Finding the Fourth Proportional to 14.93, 22.41 and 14.42

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Solution

The fourth proportional to 14.93, 22.41 and 14.42 is: 21.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.93 : 22.41 = 14.42 : x
  2. Step 2: Convert to fraction form
    14.93/22.41 = 14.42/x
  3. Step 3: Cross multiply
    14.93x = 22.41 × 14.42
  4. Step 4: Simplify right side
    14.93x = 323.15
  5. Step 5: Solve for x
    x = 323.15/14.93
  6. Step 6: Final answer
    x = 21.64

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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.