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Finding the Fourth Proportional to 8,323.88, 12,494.37 and 6,494.99

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Solution

The fourth proportional to 8,323.88, 12,494.37 and 6,494.99 is: 9,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.88 : 12,494.37 = 6,494.99 : x
  2. Step 2: Convert to fraction form
    8,323.88/12,494.37 = 6,494.99/x
  3. Step 3: Cross multiply
    8,323.88x = 12,494.37 × 6,494.99
  4. Step 4: Simplify right side
    8,323.88x = 81,150,745.73
  5. Step 5: Solve for x
    x = 81,150,745.73/8,323.88
  6. Step 6: Final answer
    x = 9,749.15

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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.