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Finding the Fourth Proportional to 58,736.88, 81,060.90 and 33,243.27

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Solution

The fourth proportional to 58,736.88, 81,060.90 and 33,243.27 is: 45,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,736.88 : 81,060.90 = 33,243.27 : x
  2. Step 2: Convert to fraction form
    58,736.88/81,060.90 = 33,243.27/x
  3. Step 3: Cross multiply
    58,736.88x = 81,060.90 × 33,243.27
  4. Step 4: Simplify right side
    58,736.88x = 2,694,729,385.14
  5. Step 5: Solve for x
    x = 2,694,729,385.14/58,736.88
  6. Step 6: Final answer
    x = 45,877.98

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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.