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Finding the Fourth Proportional to 59.92, 82.61 and 58.03

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Solution

The fourth proportional to 59.92, 82.61 and 58.03 is: 80.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.92 : 82.61 = 58.03 : x
  2. Step 2: Convert to fraction form
    59.92/82.61 = 58.03/x
  3. Step 3: Cross multiply
    59.92x = 82.61 × 58.03
  4. Step 4: Simplify right side
    59.92x = 4,793.16
  5. Step 5: Solve for x
    x = 4,793.16/59.92
  6. Step 6: Final answer
    x = 80.00

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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.