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Finding the Fourth Proportional to 54.42, 75.14 and 33.73

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Solution

The fourth proportional to 54.42, 75.14 and 33.73 is: 46.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.42 : 75.14 = 33.73 : x
  2. Step 2: Convert to fraction form
    54.42/75.14 = 33.73/x
  3. Step 3: Cross multiply
    54.42x = 75.14 × 33.73
  4. Step 4: Simplify right side
    54.42x = 2,534.47
  5. Step 5: Solve for x
    x = 2,534.47/54.42
  6. Step 6: Final answer
    x = 46.57

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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.