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Finding the Fourth Proportional to 41.11, 56.67 and 34.97

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Solution

The fourth proportional to 41.11, 56.67 and 34.97 is: 48.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.11 : 56.67 = 34.97 : x
  2. Step 2: Convert to fraction form
    41.11/56.67 = 34.97/x
  3. Step 3: Cross multiply
    41.11x = 56.67 × 34.97
  4. Step 4: Simplify right side
    41.11x = 1,981.34
  5. Step 5: Solve for x
    x = 1,981.34/41.11
  6. Step 6: Final answer
    x = 48.20

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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.