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Finding the Fourth Proportional to 50,809.57, 76,213.67 and 15,749.22

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Solution

The fourth proportional to 50,809.57, 76,213.67 and 15,749.22 is: 23,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809.57 : 76,213.67 = 15,749.22 : x
  2. Step 2: Convert to fraction form
    50,809.57/76,213.67 = 15,749.22/x
  3. Step 3: Cross multiply
    50,809.57x = 76,213.67 × 15,749.22
  4. Step 4: Simplify right side
    50,809.57x = 1,200,305,855.84
  5. Step 5: Solve for x
    x = 1,200,305,855.84/50,809.57
  6. Step 6: Final answer
    x = 23,623.62

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1.5x scale

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.