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Finding the Fourth Proportional to 68.01, 93.81 and 44.66

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Solution

The fourth proportional to 68.01, 93.81 and 44.66 is: 61.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.01 : 93.81 = 44.66 : x
  2. Step 2: Convert to fraction form
    68.01/93.81 = 44.66/x
  3. Step 3: Cross multiply
    68.01x = 93.81 × 44.66
  4. Step 4: Simplify right side
    68.01x = 4,189.79
  5. Step 5: Solve for x
    x = 4,189.79/68.01
  6. Step 6: Final answer
    x = 61.61

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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.