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Finding the Fourth Proportional to 8,054.06, 11,990.84 and 8,015.09

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Solution

The fourth proportional to 8,054.06, 11,990.84 and 8,015.09 is: 11,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.06 : 11,990.84 = 8,015.09 : x
  2. Step 2: Convert to fraction form
    8,054.06/11,990.84 = 8,015.09/x
  3. Step 3: Cross multiply
    8,054.06x = 11,990.84 × 8,015.09
  4. Step 4: Simplify right side
    8,054.06x = 96,107,561.75
  5. Step 5: Solve for x
    x = 96,107,561.75/8,054.06
  6. Step 6: Final answer
    x = 11,932.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.