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Finding the Fourth Proportional to 36,563.68, 54,845.34 and 8,861.68

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Solution

The fourth proportional to 36,563.68, 54,845.34 and 8,861.68 is: 13,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,563.68 : 54,845.34 = 8,861.68 : x
  2. Step 2: Convert to fraction form
    36,563.68/54,845.34 = 8,861.68/x
  3. Step 3: Cross multiply
    36,563.68x = 54,845.34 × 8,861.68
  4. Step 4: Simplify right side
    36,563.68x = 486,021,852.57
  5. Step 5: Solve for x
    x = 486,021,852.57/36,563.68
  6. Step 6: Final answer
    x = 13,292.48

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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.