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Finding the Fourth Proportional to 22.29, 33.47 and 14.69

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Solution

The fourth proportional to 22.29, 33.47 and 14.69 is: 22.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.29 : 33.47 = 14.69 : x
  2. Step 2: Convert to fraction form
    22.29/33.47 = 14.69/x
  3. Step 3: Cross multiply
    22.29x = 33.47 × 14.69
  4. Step 4: Simplify right side
    22.29x = 491.43
  5. Step 5: Solve for x
    x = 491.43/22.29
  6. Step 6: Final answer
    x = 22.05

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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.