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Finding the Fourth Proportional to 22.02, 32.88 and 16.26

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Solution

The fourth proportional to 22.02, 32.88 and 16.26 is: 24.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.02 : 32.88 = 16.26 : x
  2. Step 2: Convert to fraction form
    22.02/32.88 = 16.26/x
  3. Step 3: Cross multiply
    22.02x = 32.88 × 16.26
  4. Step 4: Simplify right side
    22.02x = 534.63
  5. Step 5: Solve for x
    x = 534.63/22.02
  6. Step 6: Final answer
    x = 24.28

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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.