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Finding the Fourth Proportional to 7,797.77, 11,694.81 and 2,864.73

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Solution

The fourth proportional to 7,797.77, 11,694.81 and 2,864.73 is: 4,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.77 : 11,694.81 = 2,864.73 : x
  2. Step 2: Convert to fraction form
    7,797.77/11,694.81 = 2,864.73/x
  3. Step 3: Cross multiply
    7,797.77x = 11,694.81 × 2,864.73
  4. Step 4: Simplify right side
    7,797.77x = 33,502,527.65
  5. Step 5: Solve for x
    x = 33,502,527.65/7,797.77
  6. Step 6: Final answer
    x = 4,296.42

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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.