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Finding the Fourth Proportional to 27.24, 37.57 and 24.31

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Solution

The fourth proportional to 27.24, 37.57 and 24.31 is: 33.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.24 : 37.57 = 24.31 : x
  2. Step 2: Convert to fraction form
    27.24/37.57 = 24.31/x
  3. Step 3: Cross multiply
    27.24x = 37.57 × 24.31
  4. Step 4: Simplify right side
    27.24x = 913.33
  5. Step 5: Solve for x
    x = 913.33/27.24
  6. Step 6: Final answer
    x = 33.53

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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.