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Finding the Fourth Proportional to 12,468.86, 18,697.83 and 3,704.30

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Solution

The fourth proportional to 12,468.86, 18,697.83 and 3,704.30 is: 5,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.86 : 18,697.83 = 3,704.30 : x
  2. Step 2: Convert to fraction form
    12,468.86/18,697.83 = 3,704.30/x
  3. Step 3: Cross multiply
    12,468.86x = 18,697.83 × 3,704.30
  4. Step 4: Simplify right side
    12,468.86x = 69,262,371.67
  5. Step 5: Solve for x
    x = 69,262,371.67/12,468.86
  6. Step 6: Final answer
    x = 5,554.83

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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.