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Finding the Fourth Proportional to 17.03, 23.46 and 13.76

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Solution

The fourth proportional to 17.03, 23.46 and 13.76 is: 18.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.03 : 23.46 = 13.76 : x
  2. Step 2: Convert to fraction form
    17.03/23.46 = 13.76/x
  3. Step 3: Cross multiply
    17.03x = 23.46 × 13.76
  4. Step 4: Simplify right side
    17.03x = 322.87
  5. Step 5: Solve for x
    x = 322.87/17.03
  6. Step 6: Final answer
    x = 18.96

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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.