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Finding the Fourth Proportional to 16.84, 25.23 and 6.68

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Solution

The fourth proportional to 16.84, 25.23 and 6.68 is: 10.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.84 : 25.23 = 6.68 : x
  2. Step 2: Convert to fraction form
    16.84/25.23 = 6.68/x
  3. Step 3: Cross multiply
    16.84x = 25.23 × 6.68
  4. Step 4: Simplify right side
    16.84x = 168.54
  5. Step 5: Solve for x
    x = 168.54/16.84
  6. Step 6: Final answer
    x = 10.01

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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.