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Finding the Fourth Proportional to 12,074.69, 18,111.94 and 3,754.69

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Solution

The fourth proportional to 12,074.69, 18,111.94 and 3,754.69 is: 5,632.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.69 : 18,111.94 = 3,754.69 : x
  2. Step 2: Convert to fraction form
    12,074.69/18,111.94 = 3,754.69/x
  3. Step 3: Cross multiply
    12,074.69x = 18,111.94 × 3,754.69
  4. Step 4: Simplify right side
    12,074.69x = 68,004,720.00
  5. Step 5: Solve for x
    x = 68,004,720.00/12,074.69
  6. Step 6: Final answer
    x = 5,632.01

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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.