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Finding the Fourth Proportional to 5,361.93, 8,044.11 and 1,664.28

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Solution

The fourth proportional to 5,361.93, 8,044.11 and 1,664.28 is: 2,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.93 : 8,044.11 = 1,664.28 : x
  2. Step 2: Convert to fraction form
    5,361.93/8,044.11 = 1,664.28/x
  3. Step 3: Cross multiply
    5,361.93x = 8,044.11 × 1,664.28
  4. Step 4: Simplify right side
    5,361.93x = 13,387,651.39
  5. Step 5: Solve for x
    x = 13,387,651.39/5,361.93
  6. Step 6: Final answer
    x = 2,496.80

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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.