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Finding the Fourth Proportional to 59.56, 82.14 and 50.34

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Solution

The fourth proportional to 59.56, 82.14 and 50.34 is: 69.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.56 : 82.14 = 50.34 : x
  2. Step 2: Convert to fraction form
    59.56/82.14 = 50.34/x
  3. Step 3: Cross multiply
    59.56x = 82.14 × 50.34
  4. Step 4: Simplify right side
    59.56x = 4,134.93
  5. Step 5: Solve for x
    x = 4,134.93/59.56
  6. Step 6: Final answer
    x = 69.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.