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Finding the Fourth Proportional to 49.69, 74.49 and 29.37

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Solution

The fourth proportional to 49.69, 74.49 and 29.37 is: 44.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.69 : 74.49 = 29.37 : x
  2. Step 2: Convert to fraction form
    49.69/74.49 = 29.37/x
  3. Step 3: Cross multiply
    49.69x = 74.49 × 29.37
  4. Step 4: Simplify right side
    49.69x = 2,187.77
  5. Step 5: Solve for x
    x = 2,187.77/49.69
  6. Step 6: Final answer
    x = 44.03

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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.