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Finding the Fourth Proportional to 11,479.61, 17,183.61 and 8,840.27

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Solution

The fourth proportional to 11,479.61, 17,183.61 and 8,840.27 is: 13,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.61 : 17,183.61 = 8,840.27 : x
  2. Step 2: Convert to fraction form
    11,479.61/17,183.61 = 8,840.27/x
  3. Step 3: Cross multiply
    11,479.61x = 17,183.61 × 8,840.27
  4. Step 4: Simplify right side
    11,479.61x = 151,907,666.06
  5. Step 5: Solve for x
    x = 151,907,666.06/11,479.61
  6. Step 6: Final answer
    x = 13,232.83

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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.