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Finding the Fourth Proportional to 56,135.79, 84,200.49 and 33,943.21

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Solution

The fourth proportional to 56,135.79, 84,200.49 and 33,943.21 is: 50,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,135.79 : 84,200.49 = 33,943.21 : x
  2. Step 2: Convert to fraction form
    56,135.79/84,200.49 = 33,943.21/x
  3. Step 3: Cross multiply
    56,135.79x = 84,200.49 × 33,943.21
  4. Step 4: Simplify right side
    56,135.79x = 2,858,034,703.67
  5. Step 5: Solve for x
    x = 2,858,034,703.67/56,135.79
  6. Step 6: Final answer
    x = 50,912.88

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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.