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Finding the Fourth Proportional to 68.63, 94.74 and 44.11

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Solution

The fourth proportional to 68.63, 94.74 and 44.11 is: 60.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.63 : 94.74 = 44.11 : x
  2. Step 2: Convert to fraction form
    68.63/94.74 = 44.11/x
  3. Step 3: Cross multiply
    68.63x = 94.74 × 44.11
  4. Step 4: Simplify right side
    68.63x = 4,178.98
  5. Step 5: Solve for x
    x = 4,178.98/68.63
  6. Step 6: Final answer
    x = 60.89

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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.