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Finding the Fourth Proportional to 41.24, 56.88 and 36.38

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Solution

The fourth proportional to 41.24, 56.88 and 36.38 is: 50.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.24 : 56.88 = 36.38 : x
  2. Step 2: Convert to fraction form
    41.24/56.88 = 36.38/x
  3. Step 3: Cross multiply
    41.24x = 56.88 × 36.38
  4. Step 4: Simplify right side
    41.24x = 2,069.29
  5. Step 5: Solve for x
    x = 2,069.29/41.24
  6. Step 6: Final answer
    x = 50.18

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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.