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Finding the Fourth Proportional to 59.83, 89.67 and 34.17

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Solution

The fourth proportional to 59.83, 89.67 and 34.17 is: 51.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.83 : 89.67 = 34.17 : x
  2. Step 2: Convert to fraction form
    59.83/89.67 = 34.17/x
  3. Step 3: Cross multiply
    59.83x = 89.67 × 34.17
  4. Step 4: Simplify right side
    59.83x = 3,063.40
  5. Step 5: Solve for x
    x = 3,063.40/59.83
  6. Step 6: Final answer
    x = 51.21

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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.