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Finding the Fourth Proportional to 1,846.08, 2,766.96 and 819.36

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Solution

The fourth proportional to 1,846.08, 2,766.96 and 819.36 is: 1,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.08 : 2,766.96 = 819.36 : x
  2. Step 2: Convert to fraction form
    1,846.08/2,766.96 = 819.36/x
  3. Step 3: Cross multiply
    1,846.08x = 2,766.96 × 819.36
  4. Step 4: Simplify right side
    1,846.08x = 2,267,136.35
  5. Step 5: Solve for x
    x = 2,267,136.35/1,846.08
  6. Step 6: Final answer
    x = 1,228.08

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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.