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Finding the Fourth Proportional to 6,798.01, 10,198.46 and 2,117.89

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Solution

The fourth proportional to 6,798.01, 10,198.46 and 2,117.89 is: 3,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.01 : 10,198.46 = 2,117.89 : x
  2. Step 2: Convert to fraction form
    6,798.01/10,198.46 = 2,117.89/x
  3. Step 3: Cross multiply
    6,798.01x = 10,198.46 × 2,117.89
  4. Step 4: Simplify right side
    6,798.01x = 21,599,205.86
  5. Step 5: Solve for x
    x = 21,599,205.86/6,798.01
  6. Step 6: Final answer
    x = 3,177.28

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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.