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Finding the Fourth Proportional to 49.54, 68.34 and 41.35

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Solution

The fourth proportional to 49.54, 68.34 and 41.35 is: 57.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.54 : 68.34 = 41.35 : x
  2. Step 2: Convert to fraction form
    49.54/68.34 = 41.35/x
  3. Step 3: Cross multiply
    49.54x = 68.34 × 41.35
  4. Step 4: Simplify right side
    49.54x = 2,825.86
  5. Step 5: Solve for x
    x = 2,825.86/49.54
  6. Step 6: Final answer
    x = 57.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.