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Finding the Fourth Proportional to 59.69, 89.82 and 44.57

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Solution

The fourth proportional to 59.69, 89.82 and 44.57 is: 67.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.69 : 89.82 = 44.57 : x
  2. Step 2: Convert to fraction form
    59.69/89.82 = 44.57/x
  3. Step 3: Cross multiply
    59.69x = 89.82 × 44.57
  4. Step 4: Simplify right side
    59.69x = 4,003.50
  5. Step 5: Solve for x
    x = 4,003.50/59.69
  6. Step 6: Final answer
    x = 67.07

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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.