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Finding the Fourth Proportional to 4,479.69, 6,721.97 and 1,846.79

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Solution

The fourth proportional to 4,479.69, 6,721.97 and 1,846.79 is: 2,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.69 : 6,721.97 = 1,846.79 : x
  2. Step 2: Convert to fraction form
    4,479.69/6,721.97 = 1,846.79/x
  3. Step 3: Cross multiply
    4,479.69x = 6,721.97 × 1,846.79
  4. Step 4: Simplify right side
    4,479.69x = 12,414,066.98
  5. Step 5: Solve for x
    x = 12,414,066.98/4,479.69
  6. Step 6: Final answer
    x = 2,771.19

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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.