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Finding the Fourth Proportional to 27.16, 37.16 and 26.92

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Solution

The fourth proportional to 27.16, 37.16 and 26.92 is: 36.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.16 : 37.16 = 26.92 : x
  2. Step 2: Convert to fraction form
    27.16/37.16 = 26.92/x
  3. Step 3: Cross multiply
    27.16x = 37.16 × 26.92
  4. Step 4: Simplify right side
    27.16x = 1,000.35
  5. Step 5: Solve for x
    x = 1,000.35/27.16
  6. Step 6: Final answer
    x = 36.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.