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Finding the Fourth Proportional to 7,990.03, 11,983.02 and 3,059.97

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Solution

The fourth proportional to 7,990.03, 11,983.02 and 3,059.97 is: 4,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.03 : 11,983.02 = 3,059.97 : x
  2. Step 2: Convert to fraction form
    7,990.03/11,983.02 = 3,059.97/x
  3. Step 3: Cross multiply
    7,990.03x = 11,983.02 × 3,059.97
  4. Step 4: Simplify right side
    7,990.03x = 36,667,681.71
  5. Step 5: Solve for x
    x = 36,667,681.71/7,990.03
  6. Step 6: Final answer
    x = 4,589.18

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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.