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Finding the Fourth Proportional to 27.16, 37.49 and 17.33

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Solution

The fourth proportional to 27.16, 37.49 and 17.33 is: 23.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.16 : 37.49 = 17.33 : x
  2. Step 2: Convert to fraction form
    27.16/37.49 = 17.33/x
  3. Step 3: Cross multiply
    27.16x = 37.49 × 17.33
  4. Step 4: Simplify right side
    27.16x = 649.85
  5. Step 5: Solve for x
    x = 649.85/27.16
  6. Step 6: Final answer
    x = 23.93

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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.