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Finding the Fourth Proportional to 6,571.87, 9,833.10 and 3,929.65

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Solution

The fourth proportional to 6,571.87, 9,833.10 and 3,929.65 is: 5,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.87 : 9,833.10 = 3,929.65 : x
  2. Step 2: Convert to fraction form
    6,571.87/9,833.10 = 3,929.65/x
  3. Step 3: Cross multiply
    6,571.87x = 9,833.10 × 3,929.65
  4. Step 4: Simplify right side
    6,571.87x = 38,640,641.42
  5. Step 5: Solve for x
    x = 38,640,641.42/6,571.87
  6. Step 6: Final answer
    x = 5,879.70

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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.