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Finding the Fourth Proportional to 49.34, 73.86 and 44.75

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Solution

The fourth proportional to 49.34, 73.86 and 44.75 is: 66.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.34 : 73.86 = 44.75 : x
  2. Step 2: Convert to fraction form
    49.34/73.86 = 44.75/x
  3. Step 3: Cross multiply
    49.34x = 73.86 × 44.75
  4. Step 4: Simplify right side
    49.34x = 3,305.24
  5. Step 5: Solve for x
    x = 3,305.24/49.34
  6. Step 6: Final answer
    x = 66.99

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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.