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Finding the Fourth Proportional to 2,114.09, 3,167.84 and 1,893.51

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Solution

The fourth proportional to 2,114.09, 3,167.84 and 1,893.51 is: 2,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.09 : 3,167.84 = 1,893.51 : x
  2. Step 2: Convert to fraction form
    2,114.09/3,167.84 = 1,893.51/x
  3. Step 3: Cross multiply
    2,114.09x = 3,167.84 × 1,893.51
  4. Step 4: Simplify right side
    2,114.09x = 5,998,336.72
  5. Step 5: Solve for x
    x = 5,998,336.72/2,114.09
  6. Step 6: Final answer
    x = 2,837.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.