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Finding the Fourth Proportional to 57,393.24, 79,203.42 and 34,731.96

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Solution

The fourth proportional to 57,393.24, 79,203.42 and 34,731.96 is: 47,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,393.24 : 79,203.42 = 34,731.96 : x
  2. Step 2: Convert to fraction form
    57,393.24/79,203.42 = 34,731.96/x
  3. Step 3: Cross multiply
    57,393.24x = 79,203.42 × 34,731.96
  4. Step 4: Simplify right side
    57,393.24x = 2,750,890,015.30
  5. Step 5: Solve for x
    x = 2,750,890,015.30/57,393.24
  6. Step 6: Final answer
    x = 47,930.56

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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.