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Finding the Fourth Proportional to 59.50, 89.17 and 25.29

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Solution

The fourth proportional to 59.50, 89.17 and 25.29 is: 37.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.50 : 89.17 = 25.29 : x
  2. Step 2: Convert to fraction form
    59.50/89.17 = 25.29/x
  3. Step 3: Cross multiply
    59.50x = 89.17 × 25.29
  4. Step 4: Simplify right side
    59.50x = 2,255.30
  5. Step 5: Solve for x
    x = 2,255.30/59.50
  6. Step 6: Final answer
    x = 37.91

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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.