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Finding the Fourth Proportional to 57,356.08, 79,119.31 and 36,098.44

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Solution

The fourth proportional to 57,356.08, 79,119.31 and 36,098.44 is: 49,795.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,356.08 : 79,119.31 = 36,098.44 : x
  2. Step 2: Convert to fraction form
    57,356.08/79,119.31 = 36,098.44/x
  3. Step 3: Cross multiply
    57,356.08x = 79,119.31 × 36,098.44
  4. Step 4: Simplify right side
    57,356.08x = 2,856,083,664.88
  5. Step 5: Solve for x
    x = 2,856,083,664.88/57,356.08
  6. Step 6: Final answer
    x = 49,795.66

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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.