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Finding the Fourth Proportional to 8,889.26, 13,342.26 and 4,509.86

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Solution

The fourth proportional to 8,889.26, 13,342.26 and 4,509.86 is: 6,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.26 : 13,342.26 = 4,509.86 : x
  2. Step 2: Convert to fraction form
    8,889.26/13,342.26 = 4,509.86/x
  3. Step 3: Cross multiply
    8,889.26x = 13,342.26 × 4,509.86
  4. Step 4: Simplify right side
    8,889.26x = 60,171,724.68
  5. Step 5: Solve for x
    x = 60,171,724.68/8,889.26
  6. Step 6: Final answer
    x = 6,769.04

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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.