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Finding the Fourth Proportional to 58.25, 87.37 and 22.18

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Solution

The fourth proportional to 58.25, 87.37 and 22.18 is: 33.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.25 : 87.37 = 22.18 : x
  2. Step 2: Convert to fraction form
    58.25/87.37 = 22.18/x
  3. Step 3: Cross multiply
    58.25x = 87.37 × 22.18
  4. Step 4: Simplify right side
    58.25x = 1,937.59
  5. Step 5: Solve for x
    x = 1,937.59/58.25
  6. Step 6: Final answer
    x = 33.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.