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Finding the Fourth Proportional to 18,597.94, 27,899.31 and 6,119.23

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Solution

The fourth proportional to 18,597.94, 27,899.31 and 6,119.23 is: 9,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.94 : 27,899.31 = 6,119.23 : x
  2. Step 2: Convert to fraction form
    18,597.94/27,899.31 = 6,119.23/x
  3. Step 3: Cross multiply
    18,597.94x = 27,899.31 × 6,119.23
  4. Step 4: Simplify right side
    18,597.94x = 170,722,400.73
  5. Step 5: Solve for x
    x = 170,722,400.73/18,597.94
  6. Step 6: Final answer
    x = 9,179.64

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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.