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Finding the Fourth Proportional to 11,697.75, 17,541.63 and 6,770.79

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Solution

The fourth proportional to 11,697.75, 17,541.63 and 6,770.79 is: 10,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,697.75 : 17,541.63 = 6,770.79 : x
  2. Step 2: Convert to fraction form
    11,697.75/17,541.63 = 6,770.79/x
  3. Step 3: Cross multiply
    11,697.75x = 17,541.63 × 6,770.79
  4. Step 4: Simplify right side
    11,697.75x = 118,770,692.99
  5. Step 5: Solve for x
    x = 118,770,692.99/11,697.75
  6. Step 6: Final answer
    x = 10,153.29

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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.