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Finding the Fourth Proportional to 2,079.62, 3,104.54 and 1,927.74

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Solution

The fourth proportional to 2,079.62, 3,104.54 and 1,927.74 is: 2,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.62 : 3,104.54 = 1,927.74 : x
  2. Step 2: Convert to fraction form
    2,079.62/3,104.54 = 1,927.74/x
  3. Step 3: Cross multiply
    2,079.62x = 3,104.54 × 1,927.74
  4. Step 4: Simplify right side
    2,079.62x = 5,984,736.30
  5. Step 5: Solve for x
    x = 5,984,736.30/2,079.62
  6. Step 6: Final answer
    x = 2,877.81

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.