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Finding the Fourth Proportional to 67.94, 101.92 and 35.46

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Solution

The fourth proportional to 67.94, 101.92 and 35.46 is: 53.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.94 : 101.92 = 35.46 : x
  2. Step 2: Convert to fraction form
    67.94/101.92 = 35.46/x
  3. Step 3: Cross multiply
    67.94x = 101.92 × 35.46
  4. Step 4: Simplify right side
    67.94x = 3,614.08
  5. Step 5: Solve for x
    x = 3,614.08/67.94
  6. Step 6: Final answer
    x = 53.20

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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.