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Finding the Fourth Proportional to 18,236.36, 27,380.46 and 17,401.16

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Solution

The fourth proportional to 18,236.36, 27,380.46 and 17,401.16 is: 26,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.36 : 27,380.46 = 17,401.16 : x
  2. Step 2: Convert to fraction form
    18,236.36/27,380.46 = 17,401.16/x
  3. Step 3: Cross multiply
    18,236.36x = 27,380.46 × 17,401.16
  4. Step 4: Simplify right side
    18,236.36x = 476,451,765.33
  5. Step 5: Solve for x
    x = 476,451,765.33/18,236.36
  6. Step 6: Final answer
    x = 26,126.47

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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.