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Finding the Fourth Proportional to 7,893.99, 11,842.61 and 2,700.27

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Solution

The fourth proportional to 7,893.99, 11,842.61 and 2,700.27 is: 4,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.99 : 11,842.61 = 2,700.27 : x
  2. Step 2: Convert to fraction form
    7,893.99/11,842.61 = 2,700.27/x
  3. Step 3: Cross multiply
    7,893.99x = 11,842.61 × 2,700.27
  4. Step 4: Simplify right side
    7,893.99x = 31,978,231.00
  5. Step 5: Solve for x
    x = 31,978,231.00/7,893.99
  6. Step 6: Final answer
    x = 4,050.96

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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.