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Finding the Fourth Proportional to 22.16, 30.63 and 17.37

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Solution

The fourth proportional to 22.16, 30.63 and 17.37 is: 24.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.16 : 30.63 = 17.37 : x
  2. Step 2: Convert to fraction form
    22.16/30.63 = 17.37/x
  3. Step 3: Cross multiply
    22.16x = 30.63 × 17.37
  4. Step 4: Simplify right side
    22.16x = 532.04
  5. Step 5: Solve for x
    x = 532.04/22.16
  6. Step 6: Final answer
    x = 24.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.