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Finding the Fourth Proportional to 17.54, 24.24 and 14.79

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Solution

The fourth proportional to 17.54, 24.24 and 14.79 is: 20.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.54 : 24.24 = 14.79 : x
  2. Step 2: Convert to fraction form
    17.54/24.24 = 14.79/x
  3. Step 3: Cross multiply
    17.54x = 24.24 × 14.79
  4. Step 4: Simplify right side
    17.54x = 358.51
  5. Step 5: Solve for x
    x = 358.51/17.54
  6. Step 6: Final answer
    x = 20.44

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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.