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Finding the Fourth Proportional to 18,226.89, 27,340.33 and 4,375.89

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Solution

The fourth proportional to 18,226.89, 27,340.33 and 4,375.89 is: 6,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.89 : 27,340.33 = 4,375.89 : x
  2. Step 2: Convert to fraction form
    18,226.89/27,340.33 = 4,375.89/x
  3. Step 3: Cross multiply
    18,226.89x = 27,340.33 × 4,375.89
  4. Step 4: Simplify right side
    18,226.89x = 119,638,222.65
  5. Step 5: Solve for x
    x = 119,638,222.65/18,226.89
  6. Step 6: Final answer
    x = 6,563.83

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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.