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Finding the Fourth Proportional to 27,221.43, 40,832.13 and 8,503.08

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Solution

The fourth proportional to 27,221.43, 40,832.13 and 8,503.08 is: 12,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.43 : 40,832.13 = 8,503.08 : x
  2. Step 2: Convert to fraction form
    27,221.43/40,832.13 = 8,503.08/x
  3. Step 3: Cross multiply
    27,221.43x = 40,832.13 × 8,503.08
  4. Step 4: Simplify right side
    27,221.43x = 347,198,867.96
  5. Step 5: Solve for x
    x = 347,198,867.96/27,221.43
  6. Step 6: Final answer
    x = 12,754.62

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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.