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Finding the Fourth Proportional to 59,900.70, 82,660.02 and 36,022.74

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Solution

The fourth proportional to 59,900.70, 82,660.02 and 36,022.74 is: 49,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,900.70 : 82,660.02 = 36,022.74 : x
  2. Step 2: Convert to fraction form
    59,900.70/82,660.02 = 36,022.74/x
  3. Step 3: Cross multiply
    59,900.70x = 82,660.02 × 36,022.74
  4. Step 4: Simplify right side
    59,900.70x = 2,977,640,408.85
  5. Step 5: Solve for x
    x = 2,977,640,408.85/59,900.70
  6. Step 6: Final answer
    x = 49,709.61

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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.