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Finding the Fourth Proportional to 58,662.36, 80,954.52 and 33,167.64

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Solution

The fourth proportional to 58,662.36, 80,954.52 and 33,167.64 is: 45,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,662.36 : 80,954.52 = 33,167.64 : x
  2. Step 2: Convert to fraction form
    58,662.36/80,954.52 = 33,167.64/x
  3. Step 3: Cross multiply
    58,662.36x = 80,954.52 × 33,167.64
  4. Step 4: Simplify right side
    58,662.36x = 2,685,070,375.73
  5. Step 5: Solve for x
    x = 2,685,070,375.73/58,662.36
  6. Step 6: Final answer
    x = 45,771.61

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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.