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Finding the Fourth Proportional to 18,523.61, 27,786.31 and 6,043.62

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Solution

The fourth proportional to 18,523.61, 27,786.31 and 6,043.62 is: 9,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523.61 : 27,786.31 = 6,043.62 : x
  2. Step 2: Convert to fraction form
    18,523.61/27,786.31 = 6,043.62/x
  3. Step 3: Cross multiply
    18,523.61x = 27,786.31 × 6,043.62
  4. Step 4: Simplify right side
    18,523.61x = 167,929,883.73
  5. Step 5: Solve for x
    x = 167,929,883.73/18,523.61
  6. Step 6: Final answer
    x = 9,065.72

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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.