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Finding the Fourth Proportional to 41.06, 56.58 and 36.11

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Solution

The fourth proportional to 41.06, 56.58 and 36.11 is: 49.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.06 : 56.58 = 36.11 : x
  2. Step 2: Convert to fraction form
    41.06/56.58 = 36.11/x
  3. Step 3: Cross multiply
    41.06x = 56.58 × 36.11
  4. Step 4: Simplify right side
    41.06x = 2,043.10
  5. Step 5: Solve for x
    x = 2,043.10/41.06
  6. Step 6: Final answer
    x = 49.76

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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.