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Finding the Fourth Proportional to 54,750.60, 81,996.30 and 33,755.40

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Solution

The fourth proportional to 54,750.60, 81,996.30 and 33,755.40 is: 50,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,750.60 : 81,996.30 = 33,755.40 : x
  2. Step 2: Convert to fraction form
    54,750.60/81,996.30 = 33,755.40/x
  3. Step 3: Cross multiply
    54,750.60x = 81,996.30 × 33,755.40
  4. Step 4: Simplify right side
    54,750.60x = 2,767,817,905.02
  5. Step 5: Solve for x
    x = 2,767,817,905.02/54,750.60
  6. Step 6: Final answer
    x = 50,553.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.