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Finding the Fourth Proportional to 1,967.33, 2,714.18 and 1,127.73

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Solution

The fourth proportional to 1,967.33, 2,714.18 and 1,127.73 is: 1,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.33 : 2,714.18 = 1,127.73 : x
  2. Step 2: Convert to fraction form
    1,967.33/2,714.18 = 1,127.73/x
  3. Step 3: Cross multiply
    1,967.33x = 2,714.18 × 1,127.73
  4. Step 4: Simplify right side
    1,967.33x = 3,060,856.57
  5. Step 5: Solve for x
    x = 3,060,856.57/1,967.33
  6. Step 6: Final answer
    x = 1,555.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.