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Finding the Fourth Proportional to 16.74, 23.24 and 16.59

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Solution

The fourth proportional to 16.74, 23.24 and 16.59 is: 23.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.74 : 23.24 = 16.59 : x
  2. Step 2: Convert to fraction form
    16.74/23.24 = 16.59/x
  3. Step 3: Cross multiply
    16.74x = 23.24 × 16.59
  4. Step 4: Simplify right side
    16.74x = 385.55
  5. Step 5: Solve for x
    x = 385.55/16.74
  6. Step 6: Final answer
    x = 23.03

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.