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Finding the Fourth Proportional to 5,789.74, 8,679.73 and 3,935.65

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Solution

The fourth proportional to 5,789.74, 8,679.73 and 3,935.65 is: 5,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.74 : 8,679.73 = 3,935.65 : x
  2. Step 2: Convert to fraction form
    5,789.74/8,679.73 = 3,935.65/x
  3. Step 3: Cross multiply
    5,789.74x = 8,679.73 × 3,935.65
  4. Step 4: Simplify right side
    5,789.74x = 34,160,379.37
  5. Step 5: Solve for x
    x = 34,160,379.37/5,789.74
  6. Step 6: Final answer
    x = 5,900.16

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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.