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Finding the Fourth Proportional to 36,000.15, 49,680.23 and 20,084.60

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Solution

The fourth proportional to 36,000.15, 49,680.23 and 20,084.60 is: 27,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.15 : 49,680.23 = 20,084.60 : x
  2. Step 2: Convert to fraction form
    36,000.15/49,680.23 = 20,084.60/x
  3. Step 3: Cross multiply
    36,000.15x = 49,680.23 × 20,084.60
  4. Step 4: Simplify right side
    36,000.15x = 997,807,198.63
  5. Step 5: Solve for x
    x = 997,807,198.63/36,000.15
  6. Step 6: Final answer
    x = 27,716.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.