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Finding the Fourth Proportional to 67.46, 101.06 and 36.92

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Solution

The fourth proportional to 67.46, 101.06 and 36.92 is: 55.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.46 : 101.06 = 36.92 : x
  2. Step 2: Convert to fraction form
    67.46/101.06 = 36.92/x
  3. Step 3: Cross multiply
    67.46x = 101.06 × 36.92
  4. Step 4: Simplify right side
    67.46x = 3,731.14
  5. Step 5: Solve for x
    x = 3,731.14/67.46
  6. Step 6: Final answer
    x = 55.31

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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.