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Finding the Fourth Proportional to 18,145.98, 27,222.86 and 6,300.12

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Solution

The fourth proportional to 18,145.98, 27,222.86 and 6,300.12 is: 9,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.98 : 27,222.86 = 6,300.12 : x
  2. Step 2: Convert to fraction form
    18,145.98/27,222.86 = 6,300.12/x
  3. Step 3: Cross multiply
    18,145.98x = 27,222.86 × 6,300.12
  4. Step 4: Simplify right side
    18,145.98x = 171,507,355.33
  5. Step 5: Solve for x
    x = 171,507,355.33/18,145.98
  6. Step 6: Final answer
    x = 9,451.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.