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Finding the Fourth Proportional to 59.37, 89.06 and 36.50

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Solution

The fourth proportional to 59.37, 89.06 and 36.50 is: 54.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.37 : 89.06 = 36.50 : x
  2. Step 2: Convert to fraction form
    59.37/89.06 = 36.50/x
  3. Step 3: Cross multiply
    59.37x = 89.06 × 36.50
  4. Step 4: Simplify right side
    59.37x = 3,250.69
  5. Step 5: Solve for x
    x = 3,250.69/59.37
  6. Step 6: Final answer
    x = 54.75

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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.