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Finding the Fourth Proportional to 33.83, 46.69 and 19.28

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Solution

The fourth proportional to 33.83, 46.69 and 19.28 is: 26.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.83 : 46.69 = 19.28 : x
  2. Step 2: Convert to fraction form
    33.83/46.69 = 19.28/x
  3. Step 3: Cross multiply
    33.83x = 46.69 × 19.28
  4. Step 4: Simplify right side
    33.83x = 900.35
  5. Step 5: Solve for x
    x = 900.35/33.83
  6. Step 6: Final answer
    x = 26.62

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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.