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Finding the Fourth Proportional to 58,850.33, 81,213.98 and 31,992.89

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Solution

The fourth proportional to 58,850.33, 81,213.98 and 31,992.89 is: 44,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,850.33 : 81,213.98 = 31,992.89 : x
  2. Step 2: Convert to fraction form
    58,850.33/81,213.98 = 31,992.89/x
  3. Step 3: Cross multiply
    58,850.33x = 81,213.98 × 31,992.89
  4. Step 4: Simplify right side
    58,850.33x = 2,598,269,928.60
  5. Step 5: Solve for x
    x = 2,598,269,928.60/58,850.33
  6. Step 6: Final answer
    x = 44,150.47

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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.