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Finding the Fourth Proportional to 22.54, 33.74 and 16.50

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Solution

The fourth proportional to 22.54, 33.74 and 16.50 is: 24.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.54 : 33.74 = 16.50 : x
  2. Step 2: Convert to fraction form
    22.54/33.74 = 16.50/x
  3. Step 3: Cross multiply
    22.54x = 33.74 × 16.50
  4. Step 4: Simplify right side
    22.54x = 556.71
  5. Step 5: Solve for x
    x = 556.71/22.54
  6. Step 6: Final answer
    x = 24.70

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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.