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Finding the Fourth Proportional to 27,277.35, 40,936.31 and 20,273.67

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Solution

The fourth proportional to 27,277.35, 40,936.31 and 20,273.67 is: 30,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.35 : 40,936.31 = 20,273.67 : x
  2. Step 2: Convert to fraction form
    27,277.35/40,936.31 = 20,273.67/x
  3. Step 3: Cross multiply
    27,277.35x = 40,936.31 × 20,273.67
  4. Step 4: Simplify right side
    27,277.35x = 829,929,239.96
  5. Step 5: Solve for x
    x = 829,929,239.96/27,277.35
  6. Step 6: Final answer
    x = 30,425.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.