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Finding the Fourth Proportional to 57,267.63, 79,027.85 and 31,773.89

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Solution

The fourth proportional to 57,267.63, 79,027.85 and 31,773.89 is: 43,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,267.63 : 79,027.85 = 31,773.89 : x
  2. Step 2: Convert to fraction form
    57,267.63/79,027.85 = 31,773.89/x
  3. Step 3: Cross multiply
    57,267.63x = 79,027.85 × 31,773.89
  4. Step 4: Simplify right side
    57,267.63x = 2,511,022,212.84
  5. Step 5: Solve for x
    x = 2,511,022,212.84/57,267.63
  6. Step 6: Final answer
    x = 43,847.15

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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.