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Finding the Fourth Proportional to 46.12, 68.76 and 44.96

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Solution

The fourth proportional to 46.12, 68.76 and 44.96 is: 67.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.12 : 68.76 = 44.96 : x
  2. Step 2: Convert to fraction form
    46.12/68.76 = 44.96/x
  3. Step 3: Cross multiply
    46.12x = 68.76 × 44.96
  4. Step 4: Simplify right side
    46.12x = 3,091.45
  5. Step 5: Solve for x
    x = 3,091.45/46.12
  6. Step 6: Final answer
    x = 67.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.