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Finding the Fourth Proportional to 49.34, 74 and 22.26

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Solution

The fourth proportional to 49.34, 74 and 22.26 is: 33.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.34 : 74 = 22.26 : x
  2. Step 2: Convert to fraction form
    49.34/74 = 22.26/x
  3. Step 3: Cross multiply
    49.34x = 74 × 22.26
  4. Step 4: Simplify right side
    49.34x = 1,647.24
  5. Step 5: Solve for x
    x = 1,647.24/49.34
  6. Step 6: Final answer
    x = 33.39

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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.