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Finding the Fourth Proportional to 8,800.83, 13,169.79 and 7,644.46

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Solution

The fourth proportional to 8,800.83, 13,169.79 and 7,644.46 is: 11,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.83 : 13,169.79 = 7,644.46 : x
  2. Step 2: Convert to fraction form
    8,800.83/13,169.79 = 7,644.46/x
  3. Step 3: Cross multiply
    8,800.83x = 13,169.79 × 7,644.46
  4. Step 4: Simplify right side
    8,800.83x = 100,675,899.94
  5. Step 5: Solve for x
    x = 100,675,899.94/8,800.83
  6. Step 6: Final answer
    x = 11,439.36

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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.