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Finding the Fourth Proportional to 23.33, 32.18 and 15.96

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Solution

The fourth proportional to 23.33, 32.18 and 15.96 is: 22.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.33 : 32.18 = 15.96 : x
  2. Step 2: Convert to fraction form
    23.33/32.18 = 15.96/x
  3. Step 3: Cross multiply
    23.33x = 32.18 × 15.96
  4. Step 4: Simplify right side
    23.33x = 513.59
  5. Step 5: Solve for x
    x = 513.59/23.33
  6. Step 6: Final answer
    x = 22.01

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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.