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Finding the Fourth Proportional to 1,967.29, 2,714.84 and 1,083.08

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Solution

The fourth proportional to 1,967.29, 2,714.84 and 1,083.08 is: 1,494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.29 : 2,714.84 = 1,083.08 : x
  2. Step 2: Convert to fraction form
    1,967.29/2,714.84 = 1,083.08/x
  3. Step 3: Cross multiply
    1,967.29x = 2,714.84 × 1,083.08
  4. Step 4: Simplify right side
    1,967.29x = 2,940,369.92
  5. Step 5: Solve for x
    x = 2,940,369.92/1,967.29
  6. Step 6: Final answer
    x = 1,494.63

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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.