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Finding the Fourth Proportional to 6,868.69, 10,303.20 and 2,251.69

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Solution

The fourth proportional to 6,868.69, 10,303.20 and 2,251.69 is: 3,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.69 : 10,303.20 = 2,251.69 : x
  2. Step 2: Convert to fraction form
    6,868.69/10,303.20 = 2,251.69/x
  3. Step 3: Cross multiply
    6,868.69x = 10,303.20 × 2,251.69
  4. Step 4: Simplify right side
    6,868.69x = 23,199,586.65
  5. Step 5: Solve for x
    x = 23,199,586.65/6,868.69
  6. Step 6: Final answer
    x = 3,377.59

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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.