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Finding the Fourth Proportional to 5,857.36, 8,785.11 and 2,739.53

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Solution

The fourth proportional to 5,857.36, 8,785.11 and 2,739.53 is: 4,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.36 : 8,785.11 = 2,739.53 : x
  2. Step 2: Convert to fraction form
    5,857.36/8,785.11 = 2,739.53/x
  3. Step 3: Cross multiply
    5,857.36x = 8,785.11 × 2,739.53
  4. Step 4: Simplify right side
    5,857.36x = 24,067,072.40
  5. Step 5: Solve for x
    x = 24,067,072.40/5,857.36
  6. Step 6: Final answer
    x = 4,108.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.