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Finding the Fourth Proportional to 8,809.60, 13,217.21 and 3,263.73

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Solution

The fourth proportional to 8,809.60, 13,217.21 and 3,263.73 is: 4,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.60 : 13,217.21 = 3,263.73 : x
  2. Step 2: Convert to fraction form
    8,809.60/13,217.21 = 3,263.73/x
  3. Step 3: Cross multiply
    8,809.60x = 13,217.21 × 3,263.73
  4. Step 4: Simplify right side
    8,809.60x = 43,137,404.79
  5. Step 5: Solve for x
    x = 43,137,404.79/8,809.60
  6. Step 6: Final answer
    x = 4,896.64

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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.