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Finding the Fourth Proportional to 5,981.65, 8,255.22 and 3,329.61

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Solution

The fourth proportional to 5,981.65, 8,255.22 and 3,329.61 is: 4,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.65 : 8,255.22 = 3,329.61 : x
  2. Step 2: Convert to fraction form
    5,981.65/8,255.22 = 3,329.61/x
  3. Step 3: Cross multiply
    5,981.65x = 8,255.22 × 3,329.61
  4. Step 4: Simplify right side
    5,981.65x = 27,486,619.62
  5. Step 5: Solve for x
    x = 27,486,619.62/5,981.65
  6. Step 6: Final answer
    x = 4,595.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.