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Finding the Fourth Proportional to 8,794.92, 13,171.56 and 7,634.37

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Solution

The fourth proportional to 8,794.92, 13,171.56 and 7,634.37 is: 11,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.92 : 13,171.56 = 7,634.37 : x
  2. Step 2: Convert to fraction form
    8,794.92/13,171.56 = 7,634.37/x
  3. Step 3: Cross multiply
    8,794.92x = 13,171.56 × 7,634.37
  4. Step 4: Simplify right side
    8,794.92x = 100,556,562.52
  5. Step 5: Solve for x
    x = 100,556,562.52/8,794.92
  6. Step 6: Final answer
    x = 11,433.48

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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.