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Finding the Fourth Proportional to 59,906.70, 82,668.30 and 36,028.74

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Solution

The fourth proportional to 59,906.70, 82,668.30 and 36,028.74 is: 49,717.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,906.70 : 82,668.30 = 36,028.74 : x
  2. Step 2: Convert to fraction form
    59,906.70/82,668.30 = 36,028.74/x
  3. Step 3: Cross multiply
    59,906.70x = 82,668.30 × 36,028.74
  4. Step 4: Simplify right side
    59,906.70x = 2,978,434,686.94
  5. Step 5: Solve for x
    x = 2,978,434,686.94/59,906.70
  6. Step 6: Final answer
    x = 49,717.89

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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.