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Finding the Fourth Proportional to 29.09, 43.56 and 22.37

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Solution

The fourth proportional to 29.09, 43.56 and 22.37 is: 33.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.09 : 43.56 = 22.37 : x
  2. Step 2: Convert to fraction form
    29.09/43.56 = 22.37/x
  3. Step 3: Cross multiply
    29.09x = 43.56 × 22.37
  4. Step 4: Simplify right side
    29.09x = 974.22
  5. Step 5: Solve for x
    x = 974.22/29.09
  6. Step 6: Final answer
    x = 33.50

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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.