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Finding the Fourth Proportional to 11,994.73, 17,991.26 and 4,972.11

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Solution

The fourth proportional to 11,994.73, 17,991.26 and 4,972.11 is: 7,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.73 : 17,991.26 = 4,972.11 : x
  2. Step 2: Convert to fraction form
    11,994.73/17,991.26 = 4,972.11/x
  3. Step 3: Cross multiply
    11,994.73x = 17,991.26 × 4,972.11
  4. Step 4: Simplify right side
    11,994.73x = 89,454,528.64
  5. Step 5: Solve for x
    x = 89,454,528.64/11,994.73
  6. Step 6: Final answer
    x = 7,457.82

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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.