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Finding the Fourth Proportional to 9,961.03, 13,753.97 and 6,189.67

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Solution

The fourth proportional to 9,961.03, 13,753.97 and 6,189.67 is: 8,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.03 : 13,753.97 = 6,189.67 : x
  2. Step 2: Convert to fraction form
    9,961.03/13,753.97 = 6,189.67/x
  3. Step 3: Cross multiply
    9,961.03x = 13,753.97 × 6,189.67
  4. Step 4: Simplify right side
    9,961.03x = 85,132,535.49
  5. Step 5: Solve for x
    x = 85,132,535.49/9,961.03
  6. Step 6: Final answer
    x = 8,546.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.