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Finding the Fourth Proportional to 11,910.54, 16,434.18 and 7,195.08

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Solution

The fourth proportional to 11,910.54, 16,434.18 and 7,195.08 is: 9,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.54 : 16,434.18 = 7,195.08 : x
  2. Step 2: Convert to fraction form
    11,910.54/16,434.18 = 7,195.08/x
  3. Step 3: Cross multiply
    11,910.54x = 16,434.18 × 7,195.08
  4. Step 4: Simplify right side
    11,910.54x = 118,245,239.83
  5. Step 5: Solve for x
    x = 118,245,239.83/11,910.54
  6. Step 6: Final answer
    x = 9,927.78

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