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Finding the Fourth Proportional to 29.22, 40.23 and 23.73

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Solution

The fourth proportional to 29.22, 40.23 and 23.73 is: 32.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.22 : 40.23 = 23.73 : x
  2. Step 2: Convert to fraction form
    29.22/40.23 = 23.73/x
  3. Step 3: Cross multiply
    29.22x = 40.23 × 23.73
  4. Step 4: Simplify right side
    29.22x = 954.66
  5. Step 5: Solve for x
    x = 954.66/29.22
  6. Step 6: Final answer
    x = 32.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.