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Finding the Fourth Proportional to 4,991.94, 6,888.51 and 2,753.82

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Solution

The fourth proportional to 4,991.94, 6,888.51 and 2,753.82 is: 3,800.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.94 : 6,888.51 = 2,753.82 : x
  2. Step 2: Convert to fraction form
    4,991.94/6,888.51 = 2,753.82/x
  3. Step 3: Cross multiply
    4,991.94x = 6,888.51 × 2,753.82
  4. Step 4: Simplify right side
    4,991.94x = 18,969,716.61
  5. Step 5: Solve for x
    x = 18,969,716.61/4,991.94
  6. Step 6: Final answer
    x = 3,800.07

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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.