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Finding the Fourth Proportional to 41.16, 56.66 and 36.28

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Solution

The fourth proportional to 41.16, 56.66 and 36.28 is: 49.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.16 : 56.66 = 36.28 : x
  2. Step 2: Convert to fraction form
    41.16/56.66 = 36.28/x
  3. Step 3: Cross multiply
    41.16x = 56.66 × 36.28
  4. Step 4: Simplify right side
    41.16x = 2,055.62
  5. Step 5: Solve for x
    x = 2,055.62/41.16
  6. Step 6: Final answer
    x = 49.94

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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.