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Finding the Fourth Proportional to 11,624.37, 17,422.65 and 5,375.85

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Solution

The fourth proportional to 11,624.37, 17,422.65 and 5,375.85 is: 8,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.37 : 17,422.65 = 5,375.85 : x
  2. Step 2: Convert to fraction form
    11,624.37/17,422.65 = 5,375.85/x
  3. Step 3: Cross multiply
    11,624.37x = 17,422.65 × 5,375.85
  4. Step 4: Simplify right side
    11,624.37x = 93,661,553.00
  5. Step 5: Solve for x
    x = 93,661,553.00/11,624.37
  6. Step 6: Final answer
    x = 8,057.34

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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.