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Finding the Fourth Proportional to 18,563.94, 27,839.94 and 6,080.58

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Solution

The fourth proportional to 18,563.94, 27,839.94 and 6,080.58 is: 9,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.94 : 27,839.94 = 6,080.58 : x
  2. Step 2: Convert to fraction form
    18,563.94/27,839.94 = 6,080.58/x
  3. Step 3: Cross multiply
    18,563.94x = 27,839.94 × 6,080.58
  4. Step 4: Simplify right side
    18,563.94x = 169,282,982.37
  5. Step 5: Solve for x
    x = 169,282,982.37/18,563.94
  6. Step 6: Final answer
    x = 9,118.91

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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.