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Finding the Fourth Proportional to 17.03, 23.47 and 14.11

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Solution

The fourth proportional to 17.03, 23.47 and 14.11 is: 19.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.03 : 23.47 = 14.11 : x
  2. Step 2: Convert to fraction form
    17.03/23.47 = 14.11/x
  3. Step 3: Cross multiply
    17.03x = 23.47 × 14.11
  4. Step 4: Simplify right side
    17.03x = 331.07
  5. Step 5: Solve for x
    x = 331.07/17.03
  6. Step 6: Final answer
    x = 19.44

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Why These Related Problems?

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