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Finding the Fourth Proportional to 67.82, 101.67 and 44.93

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Solution

The fourth proportional to 67.82, 101.67 and 44.93 is: 67.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.82 : 101.67 = 44.93 : x
  2. Step 2: Convert to fraction form
    67.82/101.67 = 44.93/x
  3. Step 3: Cross multiply
    67.82x = 101.67 × 44.93
  4. Step 4: Simplify right side
    67.82x = 4,567.52
  5. Step 5: Solve for x
    x = 4,567.52/67.82
  6. Step 6: Final answer
    x = 67.35

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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.