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Finding the Fourth Proportional to 59.81, 89.48 and 59.37

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Solution

The fourth proportional to 59.81, 89.48 and 59.37 is: 88.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.81 : 89.48 = 59.37 : x
  2. Step 2: Convert to fraction form
    59.81/89.48 = 59.37/x
  3. Step 3: Cross multiply
    59.81x = 89.48 × 59.37
  4. Step 4: Simplify right side
    59.81x = 5,313.08
  5. Step 5: Solve for x
    x = 5,313.08/59.81
  6. Step 6: Final answer
    x = 88.83

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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.