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Finding the Fourth Proportional to 15.97, 23.84 and 14.95

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Solution

The fourth proportional to 15.97, 23.84 and 14.95 is: 22.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.97 : 23.84 = 14.95 : x
  2. Step 2: Convert to fraction form
    15.97/23.84 = 14.95/x
  3. Step 3: Cross multiply
    15.97x = 23.84 × 14.95
  4. Step 4: Simplify right side
    15.97x = 356.41
  5. Step 5: Solve for x
    x = 356.41/15.97
  6. Step 6: Final answer
    x = 22.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.