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Finding the Fourth Proportional to 46.53, 69.73 and 33.66

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Solution

The fourth proportional to 46.53, 69.73 and 33.66 is: 50.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.53 : 69.73 = 33.66 : x
  2. Step 2: Convert to fraction form
    46.53/69.73 = 33.66/x
  3. Step 3: Cross multiply
    46.53x = 69.73 × 33.66
  4. Step 4: Simplify right side
    46.53x = 2,347.03
  5. Step 5: Solve for x
    x = 2,347.03/46.53
  6. Step 6: Final answer
    x = 50.44

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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.