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Finding the Fourth Proportional to 17.74, 24.46 and 16.03

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Solution

The fourth proportional to 17.74, 24.46 and 16.03 is: 22.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.74 : 24.46 = 16.03 : x
  2. Step 2: Convert to fraction form
    17.74/24.46 = 16.03/x
  3. Step 3: Cross multiply
    17.74x = 24.46 × 16.03
  4. Step 4: Simplify right side
    17.74x = 392.09
  5. Step 5: Solve for x
    x = 392.09/17.74
  6. Step 6: Final answer
    x = 22.10

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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.