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Finding the Fourth Proportional to 20.06, 30.07 and 16.24

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Solution

The fourth proportional to 20.06, 30.07 and 16.24 is: 24.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20.06 : 30.07 = 16.24 : x
  2. Step 2: Convert to fraction form
    20.06/30.07 = 16.24/x
  3. Step 3: Cross multiply
    20.06x = 30.07 × 16.24
  4. Step 4: Simplify right side
    20.06x = 488.34
  5. Step 5: Solve for x
    x = 488.34/20.06
  6. Step 6: Final answer
    x = 24.34

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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.