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Finding the Fourth Proportional to 4,628.82, 6,943.23 and 2,679.96

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Solution

The fourth proportional to 4,628.82, 6,943.23 and 2,679.96 is: 4,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.82 : 6,943.23 = 2,679.96 : x
  2. Step 2: Convert to fraction form
    4,628.82/6,943.23 = 2,679.96/x
  3. Step 3: Cross multiply
    4,628.82x = 6,943.23 × 2,679.96
  4. Step 4: Simplify right side
    4,628.82x = 18,607,578.67
  5. Step 5: Solve for x
    x = 18,607,578.67/4,628.82
  6. Step 6: Final answer
    x = 4,019.94

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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.