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Finding the Fourth Proportional to 67.98, 93.77 and 44.66

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Solution

The fourth proportional to 67.98, 93.77 and 44.66 is: 61.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.98 : 93.77 = 44.66 : x
  2. Step 2: Convert to fraction form
    67.98/93.77 = 44.66/x
  3. Step 3: Cross multiply
    67.98x = 93.77 × 44.66
  4. Step 4: Simplify right side
    67.98x = 4,187.24
  5. Step 5: Solve for x
    x = 4,187.24/67.98
  6. Step 6: Final answer
    x = 61.60

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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.