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Finding the Fourth Proportional to 27.43, 41.13 and 9.38

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Solution

The fourth proportional to 27.43, 41.13 and 9.38 is: 14.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.43 : 41.13 = 9.38 : x
  2. Step 2: Convert to fraction form
    27.43/41.13 = 9.38/x
  3. Step 3: Cross multiply
    27.43x = 41.13 × 9.38
  4. Step 4: Simplify right side
    27.43x = 385.80
  5. Step 5: Solve for x
    x = 385.80/27.43
  6. Step 6: Final answer
    x = 14.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.