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Finding the Fourth Proportional to 18,589.20, 27,888.06 and 8,060.97

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Solution

The fourth proportional to 18,589.20, 27,888.06 and 8,060.97 is: 12,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.20 : 27,888.06 = 8,060.97 : x
  2. Step 2: Convert to fraction form
    18,589.20/27,888.06 = 8,060.97/x
  3. Step 3: Cross multiply
    18,589.20x = 27,888.06 × 8,060.97
  4. Step 4: Simplify right side
    18,589.20x = 224,804,815.02
  5. Step 5: Solve for x
    x = 224,804,815.02/18,589.20
  6. Step 6: Final answer
    x = 12,093.30

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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.