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Finding the Fourth Proportional to 3,798.63, 5,698.62 and 1,200.96

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Solution

The fourth proportional to 3,798.63, 5,698.62 and 1,200.96 is: 1,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.63 : 5,698.62 = 1,200.96 : x
  2. Step 2: Convert to fraction form
    3,798.63/5,698.62 = 1,200.96/x
  3. Step 3: Cross multiply
    3,798.63x = 5,698.62 × 1,200.96
  4. Step 4: Simplify right side
    3,798.63x = 6,843,814.68
  5. Step 5: Solve for x
    x = 6,843,814.68/3,798.63
  6. Step 6: Final answer
    x = 1,801.65

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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.