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Finding the Fourth Proportional to 22.01, 32.99 and 17.19

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Solution

The fourth proportional to 22.01, 32.99 and 17.19 is: 25.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.01 : 32.99 = 17.19 : x
  2. Step 2: Convert to fraction form
    22.01/32.99 = 17.19/x
  3. Step 3: Cross multiply
    22.01x = 32.99 × 17.19
  4. Step 4: Simplify right side
    22.01x = 567.01
  5. Step 5: Solve for x
    x = 567.01/22.01
  6. Step 6: Final answer
    x = 25.77

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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.