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Finding the Fourth Proportional to 50.96, 70.36 and 44.84

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Solution

The fourth proportional to 50.96, 70.36 and 44.84 is: 61.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.96 : 70.36 = 44.84 : x
  2. Step 2: Convert to fraction form
    50.96/70.36 = 44.84/x
  3. Step 3: Cross multiply
    50.96x = 70.36 × 44.84
  4. Step 4: Simplify right side
    50.96x = 3,154.94
  5. Step 5: Solve for x
    x = 3,154.94/50.96
  6. Step 6: Final answer
    x = 61.91

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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.