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Finding the Fourth Proportional to 56.26, 84.41 and 22.03

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Solution

The fourth proportional to 56.26, 84.41 and 22.03 is: 33.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.26 : 84.41 = 22.03 : x
  2. Step 2: Convert to fraction form
    56.26/84.41 = 22.03/x
  3. Step 3: Cross multiply
    56.26x = 84.41 × 22.03
  4. Step 4: Simplify right side
    56.26x = 1,859.02
  5. Step 5: Solve for x
    x = 1,859.02/56.26
  6. Step 6: Final answer
    x = 33.04

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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.