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Finding the Fourth Proportional to 41.79, 57.60 and 35.97

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Solution

The fourth proportional to 41.79, 57.60 and 35.97 is: 49.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.79 : 57.60 = 35.97 : x
  2. Step 2: Convert to fraction form
    41.79/57.60 = 35.97/x
  3. Step 3: Cross multiply
    41.79x = 57.60 × 35.97
  4. Step 4: Simplify right side
    41.79x = 2,071.87
  5. Step 5: Solve for x
    x = 2,071.87/41.79
  6. Step 6: Final answer
    x = 49.58

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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.