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Finding the Fourth Proportional to 23.03, 32.00 and 22.79

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Solution

The fourth proportional to 23.03, 32.00 and 22.79 is: 31.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.03 : 32.00 = 22.79 : x
  2. Step 2: Convert to fraction form
    23.03/32.00 = 22.79/x
  3. Step 3: Cross multiply
    23.03x = 32.00 × 22.79
  4. Step 4: Simplify right side
    23.03x = 729.17
  5. Step 5: Solve for x
    x = 729.17/23.03
  6. Step 6: Final answer
    x = 31.67

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.