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Finding the Fourth Proportional to 10,951.52, 16,447.08 and 10,072.44

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Solution

The fourth proportional to 10,951.52, 16,447.08 and 10,072.44 is: 15,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.52 : 16,447.08 = 10,072.44 : x
  2. Step 2: Convert to fraction form
    10,951.52/16,447.08 = 10,072.44/x
  3. Step 3: Cross multiply
    10,951.52x = 16,447.08 × 10,072.44
  4. Step 4: Simplify right side
    10,951.52x = 165,662,226.48
  5. Step 5: Solve for x
    x = 165,662,226.48/10,951.52
  6. Step 6: Final answer
    x = 15,126.88

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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.