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Finding the Fourth Proportional to 17.14, 23.64 and 10.98

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Solution

The fourth proportional to 17.14, 23.64 and 10.98 is: 15.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.14 : 23.64 = 10.98 : x
  2. Step 2: Convert to fraction form
    17.14/23.64 = 10.98/x
  3. Step 3: Cross multiply
    17.14x = 23.64 × 10.98
  4. Step 4: Simplify right side
    17.14x = 259.57
  5. Step 5: Solve for x
    x = 259.57/17.14
  6. Step 6: Final answer
    x = 15.14

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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.