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Finding the Fourth Proportional to 57,951.96, 79,970.94 and 35,591.64

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Solution

The fourth proportional to 57,951.96, 79,970.94 and 35,591.64 is: 49,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,951.96 : 79,970.94 = 35,591.64 : x
  2. Step 2: Convert to fraction form
    57,951.96/79,970.94 = 35,591.64/x
  3. Step 3: Cross multiply
    57,951.96x = 79,970.94 × 35,591.64
  4. Step 4: Simplify right side
    57,951.96x = 2,846,296,906.94
  5. Step 5: Solve for x
    x = 2,846,296,906.94/57,951.96
  6. Step 6: Final answer
    x = 49,114.77

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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.