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Finding the Fourth Proportional to 27.27, 37.63 and 14.99

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Solution

The fourth proportional to 27.27, 37.63 and 14.99 is: 20.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.27 : 37.63 = 14.99 : x
  2. Step 2: Convert to fraction form
    27.27/37.63 = 14.99/x
  3. Step 3: Cross multiply
    27.27x = 37.63 × 14.99
  4. Step 4: Simplify right side
    27.27x = 563.85
  5. Step 5: Solve for x
    x = 563.85/27.27
  6. Step 6: Final answer
    x = 20.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.