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Finding the Fourth Proportional to 16.02, 24.05 and 11.30

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Solution

The fourth proportional to 16.02, 24.05 and 11.30 is: 16.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.02 : 24.05 = 11.30 : x
  2. Step 2: Convert to fraction form
    16.02/24.05 = 11.30/x
  3. Step 3: Cross multiply
    16.02x = 24.05 × 11.30
  4. Step 4: Simplify right side
    16.02x = 271.77
  5. Step 5: Solve for x
    x = 271.77/16.02
  6. Step 6: Final answer
    x = 16.96

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Why These Related Problems?

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