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Finding the Fourth Proportional to 11,300.94, 16,951.41 and 4,375.44

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Solution

The fourth proportional to 11,300.94, 16,951.41 and 4,375.44 is: 6,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.94 : 16,951.41 = 4,375.44 : x
  2. Step 2: Convert to fraction form
    11,300.94/16,951.41 = 4,375.44/x
  3. Step 3: Cross multiply
    11,300.94x = 16,951.41 × 4,375.44
  4. Step 4: Simplify right side
    11,300.94x = 74,169,824.05
  5. Step 5: Solve for x
    x = 74,169,824.05/11,300.94
  6. Step 6: Final answer
    x = 6,563.16

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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.