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Finding the Fourth Proportional to 36,993.50, 51,051.03 and 20,226.50

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Solution

The fourth proportional to 36,993.50, 51,051.03 and 20,226.50 is: 27,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,993.50 : 51,051.03 = 20,226.50 : x
  2. Step 2: Convert to fraction form
    36,993.50/51,051.03 = 20,226.50/x
  3. Step 3: Cross multiply
    36,993.50x = 51,051.03 × 20,226.50
  4. Step 4: Simplify right side
    36,993.50x = 1,032,583,658.30
  5. Step 5: Solve for x
    x = 1,032,583,658.30/36,993.50
  6. Step 6: Final answer
    x = 27,912.57

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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.