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Finding the Fourth Proportional to 10,676.75, 16,016.95 and 4,755.75

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Solution

The fourth proportional to 10,676.75, 16,016.95 and 4,755.75 is: 7,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676.75 : 16,016.95 = 4,755.75 : x
  2. Step 2: Convert to fraction form
    10,676.75/16,016.95 = 4,755.75/x
  3. Step 3: Cross multiply
    10,676.75x = 16,016.95 × 4,755.75
  4. Step 4: Simplify right side
    10,676.75x = 76,172,675.97
  5. Step 5: Solve for x
    x = 76,172,675.97/10,676.75
  6. Step 6: Final answer
    x = 7,134.44

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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.