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Finding the Fourth Proportional to 22,611.87, 33,918.62 and 9,446.13

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Solution

The fourth proportional to 22,611.87, 33,918.62 and 9,446.13 is: 14,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611.87 : 33,918.62 = 9,446.13 : x
  2. Step 2: Convert to fraction form
    22,611.87/33,918.62 = 9,446.13/x
  3. Step 3: Cross multiply
    22,611.87x = 33,918.62 × 9,446.13
  4. Step 4: Simplify right side
    22,611.87x = 320,399,646.71
  5. Step 5: Solve for x
    x = 320,399,646.71/22,611.87
  6. Step 6: Final answer
    x = 14,169.53

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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.