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Finding the Fourth Proportional to 47.54, 65.58 and 33.73

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Solution

The fourth proportional to 47.54, 65.58 and 33.73 is: 46.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.54 : 65.58 = 33.73 : x
  2. Step 2: Convert to fraction form
    47.54/65.58 = 33.73/x
  3. Step 3: Cross multiply
    47.54x = 65.58 × 33.73
  4. Step 4: Simplify right side
    47.54x = 2,212.01
  5. Step 5: Solve for x
    x = 2,212.01/47.54
  6. Step 6: Final answer
    x = 46.53

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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.