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Finding the Fourth Proportional to 27,163.50, 40,751.01 and 8,443.05

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Solution

The fourth proportional to 27,163.50, 40,751.01 and 8,443.05 is: 12,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,163.50 : 40,751.01 = 8,443.05 : x
  2. Step 2: Convert to fraction form
    27,163.50/40,751.01 = 8,443.05/x
  3. Step 3: Cross multiply
    27,163.50x = 40,751.01 × 8,443.05
  4. Step 4: Simplify right side
    27,163.50x = 344,062,814.98
  5. Step 5: Solve for x
    x = 344,062,814.98/27,163.50
  6. Step 6: Final answer
    x = 12,666.37

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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.