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Finding the Fourth Proportional to 49.25, 73.77 and 29.93

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Solution

The fourth proportional to 49.25, 73.77 and 29.93 is: 44.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.25 : 73.77 = 29.93 : x
  2. Step 2: Convert to fraction form
    49.25/73.77 = 29.93/x
  3. Step 3: Cross multiply
    49.25x = 73.77 × 29.93
  4. Step 4: Simplify right side
    49.25x = 2,208.23
  5. Step 5: Solve for x
    x = 2,208.23/49.25
  6. Step 6: Final answer
    x = 44.84

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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.