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Finding the Fourth Proportional to 36,049.50, 49,748.03 and 20,951.00

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Solution

The fourth proportional to 36,049.50, 49,748.03 and 20,951.00 is: 28,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,049.50 : 49,748.03 = 20,951.00 : x
  2. Step 2: Convert to fraction form
    36,049.50/49,748.03 = 20,951.00/x
  3. Step 3: Cross multiply
    36,049.50x = 49,748.03 × 20,951.00
  4. Step 4: Simplify right side
    36,049.50x = 1,042,271,100.90
  5. Step 5: Solve for x
    x = 1,042,271,100.90/36,049.50
  6. Step 6: Final answer
    x = 28,912.22

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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.