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Finding the Fourth Proportional to 59.27, 88.92 and 18.69

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Solution

The fourth proportional to 59.27, 88.92 and 18.69 is: 28.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.27 : 88.92 = 18.69 : x
  2. Step 2: Convert to fraction form
    59.27/88.92 = 18.69/x
  3. Step 3: Cross multiply
    59.27x = 88.92 × 18.69
  4. Step 4: Simplify right side
    59.27x = 1,662.25
  5. Step 5: Solve for x
    x = 1,662.25/59.27
  6. Step 6: Final answer
    x = 28.04

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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.