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Finding the Fourth Proportional to 68.89, 95.08 and 44.33

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Solution

The fourth proportional to 68.89, 95.08 and 44.33 is: 61.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.89 : 95.08 = 44.33 : x
  2. Step 2: Convert to fraction form
    68.89/95.08 = 44.33/x
  3. Step 3: Cross multiply
    68.89x = 95.08 × 44.33
  4. Step 4: Simplify right side
    68.89x = 4,214.42
  5. Step 5: Solve for x
    x = 4,214.42/68.89
  6. Step 6: Final answer
    x = 61.18

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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.