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Finding the Fourth Proportional to 6,625.81, 9,938.74 and 2,008.81

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Solution

The fourth proportional to 6,625.81, 9,938.74 and 2,008.81 is: 3,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.81 : 9,938.74 = 2,008.81 : x
  2. Step 2: Convert to fraction form
    6,625.81/9,938.74 = 2,008.81/x
  3. Step 3: Cross multiply
    6,625.81x = 9,938.74 × 2,008.81
  4. Step 4: Simplify right side
    6,625.81x = 19,965,067.66
  5. Step 5: Solve for x
    x = 19,965,067.66/6,625.81
  6. Step 6: Final answer
    x = 3,013.23

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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.