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Finding the Fourth Proportional to 18,474.32, 27,713.00 and 7,944.59

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Solution

The fourth proportional to 18,474.32, 27,713.00 and 7,944.59 is: 11,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.32 : 27,713.00 = 7,944.59 : x
  2. Step 2: Convert to fraction form
    18,474.32/27,713.00 = 7,944.59/x
  3. Step 3: Cross multiply
    18,474.32x = 27,713.00 × 7,944.59
  4. Step 4: Simplify right side
    18,474.32x = 220,168,355.93
  5. Step 5: Solve for x
    x = 220,168,355.93/18,474.32
  6. Step 6: Final answer
    x = 11,917.54

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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.