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Finding the Fourth Proportional to 8,806.11, 13,209.21 and 2,232.31

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Solution

The fourth proportional to 8,806.11, 13,209.21 and 2,232.31 is: 3,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.11 : 13,209.21 = 2,232.31 : x
  2. Step 2: Convert to fraction form
    8,806.11/13,209.21 = 2,232.31/x
  3. Step 3: Cross multiply
    8,806.11x = 13,209.21 × 2,232.31
  4. Step 4: Simplify right side
    8,806.11x = 29,487,051.58
  5. Step 5: Solve for x
    x = 29,487,051.58/8,806.11
  6. Step 6: Final answer
    x = 3,348.48

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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.