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Finding the Fourth Proportional to 2,529.60, 3,794.60 and 798.36

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Solution

The fourth proportional to 2,529.60, 3,794.60 and 798.36 is: 1,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.60 : 3,794.60 = 798.36 : x
  2. Step 2: Convert to fraction form
    2,529.60/3,794.60 = 798.36/x
  3. Step 3: Cross multiply
    2,529.60x = 3,794.60 × 798.36
  4. Step 4: Simplify right side
    2,529.60x = 3,029,456.86
  5. Step 5: Solve for x
    x = 3,029,456.86/2,529.60
  6. Step 6: Final answer
    x = 1,197.60

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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.