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Finding the Fourth Proportional to 59.37, 89.22 and 59.06

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Solution

The fourth proportional to 59.37, 89.22 and 59.06 is: 88.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.37 : 89.22 = 59.06 : x
  2. Step 2: Convert to fraction form
    59.37/89.22 = 59.06/x
  3. Step 3: Cross multiply
    59.37x = 89.22 × 59.06
  4. Step 4: Simplify right side
    59.37x = 5,269.33
  5. Step 5: Solve for x
    x = 5,269.33/59.37
  6. Step 6: Final answer
    x = 88.75

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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.