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Finding the Fourth Proportional to 11.14, 16.71 and 4.37

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Solution

The fourth proportional to 11.14, 16.71 and 4.37 is: 6.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.14 : 16.71 = 4.37 : x
  2. Step 2: Convert to fraction form
    11.14/16.71 = 4.37/x
  3. Step 3: Cross multiply
    11.14x = 16.71 × 4.37
  4. Step 4: Simplify right side
    11.14x = 73.06
  5. Step 5: Solve for x
    x = 73.06/11.14
  6. Step 6: Final answer
    x = 6.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.