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Finding the Fourth Proportional to 22.48, 33.66 and 14.33

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Solution

The fourth proportional to 22.48, 33.66 and 14.33 is: 21.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.48 : 33.66 = 14.33 : x
  2. Step 2: Convert to fraction form
    22.48/33.66 = 14.33/x
  3. Step 3: Cross multiply
    22.48x = 33.66 × 14.33
  4. Step 4: Simplify right side
    22.48x = 482.35
  5. Step 5: Solve for x
    x = 482.35/22.48
  6. Step 6: Final answer
    x = 21.46

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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.