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Finding the Fourth Proportional to 47,991, 66,227.64 and 26,771.62

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Solution

The fourth proportional to 47,991, 66,227.64 and 26,771.62 is: 36,944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,991 : 66,227.64 = 26,771.62 : x
  2. Step 2: Convert to fraction form
    47,991/66,227.64 = 26,771.62/x
  3. Step 3: Cross multiply
    47,991x = 66,227.64 × 26,771.62
  4. Step 4: Simplify right side
    47,991x = 1,773,021,211.58
  5. Step 5: Solve for x
    x = 1,773,021,211.58/47,991
  6. Step 6: Final answer
    x = 36,944.87

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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.