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Finding the Fourth Proportional to 59.50, 89.04 and 36.64

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Solution

The fourth proportional to 59.50, 89.04 and 36.64 is: 54.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.50 : 89.04 = 36.64 : x
  2. Step 2: Convert to fraction form
    59.50/89.04 = 36.64/x
  3. Step 3: Cross multiply
    59.50x = 89.04 × 36.64
  4. Step 4: Simplify right side
    59.50x = 3,262.43
  5. Step 5: Solve for x
    x = 3,262.43/59.50
  6. Step 6: Final answer
    x = 54.83

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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.