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Finding the Fourth Proportional to 67.98, 93.84 and 44.70

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Solution

The fourth proportional to 67.98, 93.84 and 44.70 is: 61.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.98 : 93.84 = 44.70 : x
  2. Step 2: Convert to fraction form
    67.98/93.84 = 44.70/x
  3. Step 3: Cross multiply
    67.98x = 93.84 × 44.70
  4. Step 4: Simplify right side
    67.98x = 4,194.18
  5. Step 5: Solve for x
    x = 4,194.18/67.98
  6. Step 6: Final answer
    x = 61.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.