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Finding the Fourth Proportional to 7,998.62, 12,004.09 and 5,224.54

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Solution

The fourth proportional to 7,998.62, 12,004.09 and 5,224.54 is: 7,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.62 : 12,004.09 = 5,224.54 : x
  2. Step 2: Convert to fraction form
    7,998.62/12,004.09 = 5,224.54/x
  3. Step 3: Cross multiply
    7,998.62x = 12,004.09 × 5,224.54
  4. Step 4: Simplify right side
    7,998.62x = 62,715,848.37
  5. Step 5: Solve for x
    x = 62,715,848.37/7,998.62
  6. Step 6: Final answer
    x = 7,840.83

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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.