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Finding the Fourth Proportional to 23.83, 35.72 and 22.19

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Solution

The fourth proportional to 23.83, 35.72 and 22.19 is: 33.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.83 : 35.72 = 22.19 : x
  2. Step 2: Convert to fraction form
    23.83/35.72 = 22.19/x
  3. Step 3: Cross multiply
    23.83x = 35.72 × 22.19
  4. Step 4: Simplify right side
    23.83x = 792.63
  5. Step 5: Solve for x
    x = 792.63/23.83
  6. Step 6: Final answer
    x = 33.26

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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.