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Finding the Fourth Proportional to 18,361.37, 27,522.83 and 7,693.83

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Solution

The fourth proportional to 18,361.37, 27,522.83 and 7,693.83 is: 11,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.37 : 27,522.83 = 7,693.83 : x
  2. Step 2: Convert to fraction form
    18,361.37/27,522.83 = 7,693.83/x
  3. Step 3: Cross multiply
    18,361.37x = 27,522.83 × 7,693.83
  4. Step 4: Simplify right side
    18,361.37x = 211,755,936.67
  5. Step 5: Solve for x
    x = 211,755,936.67/18,361.37
  6. Step 6: Final answer
    x = 11,532.69

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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.