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Finding the Fourth Proportional to 11,879.00, 16,393.02 and 6,573.81

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Solution

The fourth proportional to 11,879.00, 16,393.02 and 6,573.81 is: 9,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.00 : 16,393.02 = 6,573.81 : x
  2. Step 2: Convert to fraction form
    11,879.00/16,393.02 = 6,573.81/x
  3. Step 3: Cross multiply
    11,879.00x = 16,393.02 × 6,573.81
  4. Step 4: Simplify right side
    11,879.00x = 107,764,654.09
  5. Step 5: Solve for x
    x = 107,764,654.09/11,879.00
  6. Step 6: Final answer
    x = 9,071.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.