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Finding the Fourth Proportional to 6,993.81, 9,651.44 and 3,849.99

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Solution

The fourth proportional to 6,993.81, 9,651.44 and 3,849.99 is: 5,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,993.81 : 9,651.44 = 3,849.99 : x
  2. Step 2: Convert to fraction form
    6,993.81/9,651.44 = 3,849.99/x
  3. Step 3: Cross multiply
    6,993.81x = 9,651.44 × 3,849.99
  4. Step 4: Simplify right side
    6,993.81x = 37,157,928.24
  5. Step 5: Solve for x
    x = 37,157,928.24/6,993.81
  6. Step 6: Final answer
    x = 5,312.97

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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.