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Finding the Fourth Proportional to 10,951.44, 16,426.64 and 4,375.84

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Solution

The fourth proportional to 10,951.44, 16,426.64 and 4,375.84 is: 6,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.44 : 16,426.64 = 4,375.84 : x
  2. Step 2: Convert to fraction form
    10,951.44/16,426.64 = 4,375.84/x
  3. Step 3: Cross multiply
    10,951.44x = 16,426.64 × 4,375.84
  4. Step 4: Simplify right side
    10,951.44x = 71,880,348.38
  5. Step 5: Solve for x
    x = 71,880,348.38/10,951.44
  6. Step 6: Final answer
    x = 6,563.55

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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.