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Finding the Fourth Proportional to 4,443.83, 6,661 and 3,344.79

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Solution

The fourth proportional to 4,443.83, 6,661 and 3,344.79 is: 5,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.83 : 6,661 = 3,344.79 : x
  2. Step 2: Convert to fraction form
    4,443.83/6,661 = 3,344.79/x
  3. Step 3: Cross multiply
    4,443.83x = 6,661 × 3,344.79
  4. Step 4: Simplify right side
    4,443.83x = 22,279,646.19
  5. Step 5: Solve for x
    x = 22,279,646.19/4,443.83
  6. Step 6: Final answer
    x = 5,013.61

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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.