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Finding the Fourth Proportional to 2,000.63, 2,760.81 and 1,116.41

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Solution

The fourth proportional to 2,000.63, 2,760.81 and 1,116.41 is: 1,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.63 : 2,760.81 = 1,116.41 : x
  2. Step 2: Convert to fraction form
    2,000.63/2,760.81 = 1,116.41/x
  3. Step 3: Cross multiply
    2,000.63x = 2,760.81 × 1,116.41
  4. Step 4: Simplify right side
    2,000.63x = 3,082,195.89
  5. Step 5: Solve for x
    x = 3,082,195.89/2,000.63
  6. Step 6: Final answer
    x = 1,540.61

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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.