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Finding the Fourth Proportional to 8,805.87, 13,208.81 and 2,232.09

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Solution

The fourth proportional to 8,805.87, 13,208.81 and 2,232.09 is: 3,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.87 : 13,208.81 = 2,232.09 : x
  2. Step 2: Convert to fraction form
    8,805.87/13,208.81 = 2,232.09/x
  3. Step 3: Cross multiply
    8,805.87x = 13,208.81 × 2,232.09
  4. Step 4: Simplify right side
    8,805.87x = 29,483,241.55
  5. Step 5: Solve for x
    x = 29,483,241.55/8,805.87
  6. Step 6: Final answer
    x = 3,348.14

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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.