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Finding the Fourth Proportional to 2,893.54, 3,993.40 and 1,714.60

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Solution

The fourth proportional to 2,893.54, 3,993.40 and 1,714.60 is: 2,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.54 : 3,993.40 = 1,714.60 : x
  2. Step 2: Convert to fraction form
    2,893.54/3,993.40 = 1,714.60/x
  3. Step 3: Cross multiply
    2,893.54x = 3,993.40 × 1,714.60
  4. Step 4: Simplify right side
    2,893.54x = 6,847,083.64
  5. Step 5: Solve for x
    x = 6,847,083.64/2,893.54
  6. Step 6: Final answer
    x = 2,366.33

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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.