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Finding the Fourth Proportional to 25,992.56, 38,993.64 and 8,227.70

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Solution

The fourth proportional to 25,992.56, 38,993.64 and 8,227.70 is: 12,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,992.56 : 38,993.64 = 8,227.70 : x
  2. Step 2: Convert to fraction form
    25,992.56/38,993.64 = 8,227.70/x
  3. Step 3: Cross multiply
    25,992.56x = 38,993.64 × 8,227.70
  4. Step 4: Simplify right side
    25,992.56x = 320,827,776.86
  5. Step 5: Solve for x
    x = 320,827,776.86/25,992.56
  6. Step 6: Final answer
    x = 12,343.06

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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.