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Finding the Fourth Proportional to 52.22, 72.06 and 41.33

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Solution

The fourth proportional to 52.22, 72.06 and 41.33 is: 57.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.22 : 72.06 = 41.33 : x
  2. Step 2: Convert to fraction form
    52.22/72.06 = 41.33/x
  3. Step 3: Cross multiply
    52.22x = 72.06 × 41.33
  4. Step 4: Simplify right side
    52.22x = 2,978.24
  5. Step 5: Solve for x
    x = 2,978.24/52.22
  6. Step 6: Final answer
    x = 57.03

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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.