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Finding the Fourth Proportional to 27.18, 40.73 and 23.99

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Solution

The fourth proportional to 27.18, 40.73 and 23.99 is: 35.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.18 : 40.73 = 23.99 : x
  2. Step 2: Convert to fraction form
    27.18/40.73 = 23.99/x
  3. Step 3: Cross multiply
    27.18x = 40.73 × 23.99
  4. Step 4: Simplify right side
    27.18x = 976.79
  5. Step 5: Solve for x
    x = 976.79/27.18
  6. Step 6: Final answer
    x = 35.94

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Why These Related Problems?

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