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Finding the Fourth Proportional to 57,843.72, 79,811.46 and 35,194.50

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Solution

The fourth proportional to 57,843.72, 79,811.46 and 35,194.50 is: 48,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,843.72 : 79,811.46 = 35,194.50 : x
  2. Step 2: Convert to fraction form
    57,843.72/79,811.46 = 35,194.50/x
  3. Step 3: Cross multiply
    57,843.72x = 79,811.46 × 35,194.50
  4. Step 4: Simplify right side
    57,843.72x = 2,808,924,428.97
  5. Step 5: Solve for x
    x = 2,808,924,428.97/57,843.72
  6. Step 6: Final answer
    x = 48,560.58

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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.