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Finding the Fourth Proportional to 59.43, 88.44 and 57.27

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Solution

The fourth proportional to 59.43, 88.44 and 57.27 is: 85.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.43 : 88.44 = 57.27 : x
  2. Step 2: Convert to fraction form
    59.43/88.44 = 57.27/x
  3. Step 3: Cross multiply
    59.43x = 88.44 × 57.27
  4. Step 4: Simplify right side
    59.43x = 5,064.96
  5. Step 5: Solve for x
    x = 5,064.96/59.43
  6. Step 6: Final answer
    x = 85.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.