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Finding the Fourth Proportional to 22.07, 32.99 and 16.94

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Solution

The fourth proportional to 22.07, 32.99 and 16.94 is: 25.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.07 : 32.99 = 16.94 : x
  2. Step 2: Convert to fraction form
    22.07/32.99 = 16.94/x
  3. Step 3: Cross multiply
    22.07x = 32.99 × 16.94
  4. Step 4: Simplify right side
    22.07x = 558.85
  5. Step 5: Solve for x
    x = 558.85/22.07
  6. Step 6: Final answer
    x = 25.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.