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Finding the Fourth Proportional to 22.08, 33.24 and 15.37

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Solution

The fourth proportional to 22.08, 33.24 and 15.37 is: 23.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.08 : 33.24 = 15.37 : x
  2. Step 2: Convert to fraction form
    22.08/33.24 = 15.37/x
  3. Step 3: Cross multiply
    22.08x = 33.24 × 15.37
  4. Step 4: Simplify right side
    22.08x = 510.87
  5. Step 5: Solve for x
    x = 510.87/22.08
  6. Step 6: Final answer
    x = 23.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.