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Finding the Fourth Proportional to 4,571.92, 6,857.88 and 1,834

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Solution

The fourth proportional to 4,571.92, 6,857.88 and 1,834 is: 2,751

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.92 : 6,857.88 = 1,834 : x
  2. Step 2: Convert to fraction form
    4,571.92/6,857.88 = 1,834/x
  3. Step 3: Cross multiply
    4,571.92x = 6,857.88 × 1,834
  4. Step 4: Simplify right side
    4,571.92x = 12,577,351.92
  5. Step 5: Solve for x
    x = 12,577,351.92/4,571.92
  6. Step 6: Final answer
    x = 2,751

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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.