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Finding the Fourth Proportional to 57,092.31, 85,736.48 and 35,035.20

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Solution

The fourth proportional to 57,092.31, 85,736.48 and 35,035.20 is: 52,612.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092.31 : 85,736.48 = 35,035.20 : x
  2. Step 2: Convert to fraction form
    57,092.31/85,736.48 = 35,035.20/x
  3. Step 3: Cross multiply
    57,092.31x = 85,736.48 × 35,035.20
  4. Step 4: Simplify right side
    57,092.31x = 3,003,794,548.92
  5. Step 5: Solve for x
    x = 3,003,794,548.92/57,092.31
  6. Step 6: Final answer
    x = 52,612.94

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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.