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Finding the Fourth Proportional to 36,563.73, 54,850.11 and 12,865.69

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Solution

The fourth proportional to 36,563.73, 54,850.11 and 12,865.69 is: 19,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,563.73 : 54,850.11 = 12,865.69 : x
  2. Step 2: Convert to fraction form
    36,563.73/54,850.11 = 12,865.69/x
  3. Step 3: Cross multiply
    36,563.73x = 54,850.11 × 12,865.69
  4. Step 4: Simplify right side
    36,563.73x = 705,684,511.73
  5. Step 5: Solve for x
    x = 705,684,511.73/36,563.73
  6. Step 6: Final answer
    x = 19,300.12

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Why These Related Problems?

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