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Finding the Fourth Proportional to 7,754.07, 11,631.09 and 1,910.73

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Solution

The fourth proportional to 7,754.07, 11,631.09 and 1,910.73 is: 2,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.07 : 11,631.09 = 1,910.73 : x
  2. Step 2: Convert to fraction form
    7,754.07/11,631.09 = 1,910.73/x
  3. Step 3: Cross multiply
    7,754.07x = 11,631.09 × 1,910.73
  4. Step 4: Simplify right side
    7,754.07x = 22,223,872.60
  5. Step 5: Solve for x
    x = 22,223,872.60/7,754.07
  6. Step 6: Final answer
    x = 2,866.09

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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.