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Finding the Fourth Proportional to 4,846.92, 6,688.62 and 2,751

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Solution

The fourth proportional to 4,846.92, 6,688.62 and 2,751 is: 3,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,846.92 : 6,688.62 = 2,751 : x
  2. Step 2: Convert to fraction form
    4,846.92/6,688.62 = 2,751/x
  3. Step 3: Cross multiply
    4,846.92x = 6,688.62 × 2,751
  4. Step 4: Simplify right side
    4,846.92x = 18,400,393.62
  5. Step 5: Solve for x
    x = 18,400,393.62/4,846.92
  6. Step 6: Final answer
    x = 3,796.31

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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.