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Finding the Fourth Proportional to 16.97, 23.43 and 15.24

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Solution

The fourth proportional to 16.97, 23.43 and 15.24 is: 21.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.97 : 23.43 = 15.24 : x
  2. Step 2: Convert to fraction form
    16.97/23.43 = 15.24/x
  3. Step 3: Cross multiply
    16.97x = 23.43 × 15.24
  4. Step 4: Simplify right side
    16.97x = 357.07
  5. Step 5: Solve for x
    x = 357.07/16.97
  6. Step 6: Final answer
    x = 21.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.