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Finding the Fourth Proportional to 38.97, 58.44 and 16.14

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Solution

The fourth proportional to 38.97, 58.44 and 16.14 is: 24.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.97 : 58.44 = 16.14 : x
  2. Step 2: Convert to fraction form
    38.97/58.44 = 16.14/x
  3. Step 3: Cross multiply
    38.97x = 58.44 × 16.14
  4. Step 4: Simplify right side
    38.97x = 943.08
  5. Step 5: Solve for x
    x = 943.08/38.97
  6. Step 6: Final answer
    x = 24.20

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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.