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Finding the Fourth Proportional to 59.21, 88.97 and 44.79

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Solution

The fourth proportional to 59.21, 88.97 and 44.79 is: 67.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.21 : 88.97 = 44.79 : x
  2. Step 2: Convert to fraction form
    59.21/88.97 = 44.79/x
  3. Step 3: Cross multiply
    59.21x = 88.97 × 44.79
  4. Step 4: Simplify right side
    59.21x = 3,984.79
  5. Step 5: Solve for x
    x = 3,984.79/59.21
  6. Step 6: Final answer
    x = 67.29

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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.