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Finding the Fourth Proportional to 11,880.25, 16,394.06 and 6,574.75

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Solution

The fourth proportional to 11,880.25, 16,394.06 and 6,574.75 is: 9,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.25 : 16,394.06 = 6,574.75 : x
  2. Step 2: Convert to fraction form
    11,880.25/16,394.06 = 6,574.75/x
  3. Step 3: Cross multiply
    11,880.25x = 16,394.06 × 6,574.75
  4. Step 4: Simplify right side
    11,880.25x = 107,786,821.44
  5. Step 5: Solve for x
    x = 107,786,821.44/11,880.25
  6. Step 6: Final answer
    x = 9,072.78

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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.