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Finding the Fourth Proportional to 2,008.35, 3,015 and 1,361.97

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Solution

The fourth proportional to 2,008.35, 3,015 and 1,361.97 is: 2,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.35 : 3,015 = 1,361.97 : x
  2. Step 2: Convert to fraction form
    2,008.35/3,015 = 1,361.97/x
  3. Step 3: Cross multiply
    2,008.35x = 3,015 × 1,361.97
  4. Step 4: Simplify right side
    2,008.35x = 4,106,339.55
  5. Step 5: Solve for x
    x = 4,106,339.55/2,008.35
  6. Step 6: Final answer
    x = 2,044.63

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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.