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Finding the Fourth Proportional to 18,450.82, 27,662.82 and 7,354.18

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Solution

The fourth proportional to 18,450.82, 27,662.82 and 7,354.18 is: 11,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.82 : 27,662.82 = 7,354.18 : x
  2. Step 2: Convert to fraction form
    18,450.82/27,662.82 = 7,354.18/x
  3. Step 3: Cross multiply
    18,450.82x = 27,662.82 × 7,354.18
  4. Step 4: Simplify right side
    18,450.82x = 203,437,357.59
  5. Step 5: Solve for x
    x = 203,437,357.59/18,450.82
  6. Step 6: Final answer
    x = 11,025.93

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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.