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Finding the Fourth Proportional to 49.16, 73.76 and 44.96

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Solution

The fourth proportional to 49.16, 73.76 and 44.96 is: 67.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.16 : 73.76 = 44.96 : x
  2. Step 2: Convert to fraction form
    49.16/73.76 = 44.96/x
  3. Step 3: Cross multiply
    49.16x = 73.76 × 44.96
  4. Step 4: Simplify right side
    49.16x = 3,316.25
  5. Step 5: Solve for x
    x = 3,316.25/49.16
  6. Step 6: Final answer
    x = 67.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.