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Finding the Fourth Proportional to 7,234.65, 10,855.36 and 2,558.21

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Solution

The fourth proportional to 7,234.65, 10,855.36 and 2,558.21 is: 3,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234.65 : 10,855.36 = 2,558.21 : x
  2. Step 2: Convert to fraction form
    7,234.65/10,855.36 = 2,558.21/x
  3. Step 3: Cross multiply
    7,234.65x = 10,855.36 × 2,558.21
  4. Step 4: Simplify right side
    7,234.65x = 27,770,229.83
  5. Step 5: Solve for x
    x = 27,770,229.83/7,234.65
  6. Step 6: Final answer
    x = 3,838.50

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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.