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Finding the Fourth Proportional to 18,483.98, 27,728.73 and 6,796.31

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Solution

The fourth proportional to 18,483.98, 27,728.73 and 6,796.31 is: 10,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.98 : 27,728.73 = 6,796.31 : x
  2. Step 2: Convert to fraction form
    18,483.98/27,728.73 = 6,796.31/x
  3. Step 3: Cross multiply
    18,483.98x = 27,728.73 × 6,796.31
  4. Step 4: Simplify right side
    18,483.98x = 188,452,906.34
  5. Step 5: Solve for x
    x = 188,452,906.34/18,483.98
  6. Step 6: Final answer
    x = 10,195.48

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1.5x scale

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.