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Finding the Fourth Proportional to 7,994.91, 11,994 and 2,804.43

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Solution

The fourth proportional to 7,994.91, 11,994 and 2,804.43 is: 4,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.91 : 11,994 = 2,804.43 : x
  2. Step 2: Convert to fraction form
    7,994.91/11,994 = 2,804.43/x
  3. Step 3: Cross multiply
    7,994.91x = 11,994 × 2,804.43
  4. Step 4: Simplify right side
    7,994.91x = 33,636,333.42
  5. Step 5: Solve for x
    x = 33,636,333.42/7,994.91
  6. Step 6: Final answer
    x = 4,207.22

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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.