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Finding the Fourth Proportional to 16.02, 22.08 and 12.37

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Solution

The fourth proportional to 16.02, 22.08 and 12.37 is: 17.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.02 : 22.08 = 12.37 : x
  2. Step 2: Convert to fraction form
    16.02/22.08 = 12.37/x
  3. Step 3: Cross multiply
    16.02x = 22.08 × 12.37
  4. Step 4: Simplify right side
    16.02x = 273.13
  5. Step 5: Solve for x
    x = 273.13/16.02
  6. Step 6: Final answer
    x = 17.05

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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.