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Finding the Fourth Proportional to 18,410.68, 27,674.34 and 15,844.60

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Solution

The fourth proportional to 18,410.68, 27,674.34 and 15,844.60 is: 23,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.68 : 27,674.34 = 15,844.60 : x
  2. Step 2: Convert to fraction form
    18,410.68/27,674.34 = 15,844.60/x
  3. Step 3: Cross multiply
    18,410.68x = 27,674.34 × 15,844.60
  4. Step 4: Simplify right side
    18,410.68x = 438,488,847.56
  5. Step 5: Solve for x
    x = 438,488,847.56/18,410.68
  6. Step 6: Final answer
    x = 23,817.09

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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.