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Finding the Fourth Proportional to 57,880.82, 86,808.04 and 27,879.73

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Solution

The fourth proportional to 57,880.82, 86,808.04 and 27,879.73 is: 41,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,880.82 : 86,808.04 = 27,879.73 : x
  2. Step 2: Convert to fraction form
    57,880.82/86,808.04 = 27,879.73/x
  3. Step 3: Cross multiply
    57,880.82x = 86,808.04 × 27,879.73
  4. Step 4: Simplify right side
    57,880.82x = 2,420,184,717.03
  5. Step 5: Solve for x
    x = 2,420,184,717.03/57,880.82
  6. Step 6: Final answer
    x = 41,813.24

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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.