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Finding the Fourth Proportional to 33.63, 46.43 and 25.84

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Solution

The fourth proportional to 33.63, 46.43 and 25.84 is: 35.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.63 : 46.43 = 25.84 : x
  2. Step 2: Convert to fraction form
    33.63/46.43 = 25.84/x
  3. Step 3: Cross multiply
    33.63x = 46.43 × 25.84
  4. Step 4: Simplify right side
    33.63x = 1,199.77
  5. Step 5: Solve for x
    x = 1,199.77/33.63
  6. Step 6: Final answer
    x = 35.68

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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.