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Finding the Fourth Proportional to 22, 32.95 and 16.94

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Solution

The fourth proportional to 22, 32.95 and 16.94 is: 25.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22 : 32.95 = 16.94 : x
  2. Step 2: Convert to fraction form
    22/32.95 = 16.94/x
  3. Step 3: Cross multiply
    22x = 32.95 × 16.94
  4. Step 4: Simplify right side
    22x = 558.17
  5. Step 5: Solve for x
    x = 558.17/22
  6. Step 6: Final answer
    x = 25.37

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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.