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Finding the Fourth Proportional to 4,859.73, 6,703.26 and 2,868.65

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Solution

The fourth proportional to 4,859.73, 6,703.26 and 2,868.65 is: 3,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.73 : 6,703.26 = 2,868.65 : x
  2. Step 2: Convert to fraction form
    4,859.73/6,703.26 = 2,868.65/x
  3. Step 3: Cross multiply
    4,859.73x = 6,703.26 × 2,868.65
  4. Step 4: Simplify right side
    4,859.73x = 19,229,287.66
  5. Step 5: Solve for x
    x = 19,229,287.66/4,859.73
  6. Step 6: Final answer
    x = 3,956.86

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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.