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Finding the Fourth Proportional to 47,805.55, 65,965.26 and 26,580.73

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Solution

The fourth proportional to 47,805.55, 65,965.26 and 26,580.73 is: 36,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,805.55 : 65,965.26 = 26,580.73 : x
  2. Step 2: Convert to fraction form
    47,805.55/65,965.26 = 26,580.73/x
  3. Step 3: Cross multiply
    47,805.55x = 65,965.26 × 26,580.73
  4. Step 4: Simplify right side
    47,805.55x = 1,753,404,765.44
  5. Step 5: Solve for x
    x = 1,753,404,765.44/47,805.55
  6. Step 6: Final answer
    x = 36,677.85

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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.