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Finding the Fourth Proportional to 49.56, 74.37 and 29.26

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Solution

The fourth proportional to 49.56, 74.37 and 29.26 is: 43.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.56 : 74.37 = 29.26 : x
  2. Step 2: Convert to fraction form
    49.56/74.37 = 29.26/x
  3. Step 3: Cross multiply
    49.56x = 74.37 × 29.26
  4. Step 4: Simplify right side
    49.56x = 2,176.10
  5. Step 5: Solve for x
    x = 2,176.10/49.56
  6. Step 6: Final answer
    x = 43.91

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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.