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Finding the Fourth Proportional to 33.88, 46.75 and 19.32

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Solution

The fourth proportional to 33.88, 46.75 and 19.32 is: 26.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.88 : 46.75 = 19.32 : x
  2. Step 2: Convert to fraction form
    33.88/46.75 = 19.32/x
  3. Step 3: Cross multiply
    33.88x = 46.75 × 19.32
  4. Step 4: Simplify right side
    33.88x = 903.51
  5. Step 5: Solve for x
    x = 903.51/33.88
  6. Step 6: Final answer
    x = 26.67

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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.