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Finding the Fourth Proportional to 22.57, 33.87 and 16.60

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Solution

The fourth proportional to 22.57, 33.87 and 16.60 is: 24.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.57 : 33.87 = 16.60 : x
  2. Step 2: Convert to fraction form
    22.57/33.87 = 16.60/x
  3. Step 3: Cross multiply
    22.57x = 33.87 × 16.60
  4. Step 4: Simplify right side
    22.57x = 562.24
  5. Step 5: Solve for x
    x = 562.24/22.57
  6. Step 6: Final answer
    x = 24.91

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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.