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Finding the Fourth Proportional to 16,855.76, 25,284.28 and 4,375.44

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Solution

The fourth proportional to 16,855.76, 25,284.28 and 4,375.44 is: 6,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.76 : 25,284.28 = 4,375.44 : x
  2. Step 2: Convert to fraction form
    16,855.76/25,284.28 = 4,375.44/x
  3. Step 3: Cross multiply
    16,855.76x = 25,284.28 × 4,375.44
  4. Step 4: Simplify right side
    16,855.76x = 110,629,850.08
  5. Step 5: Solve for x
    x = 110,629,850.08/16,855.76
  6. Step 6: Final answer
    x = 6,563.33

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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.