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Finding the Fourth Proportional to 6,969.78, 10,450.38 and 2,962.44

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Solution

The fourth proportional to 6,969.78, 10,450.38 and 2,962.44 is: 4,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.78 : 10,450.38 = 2,962.44 : x
  2. Step 2: Convert to fraction form
    6,969.78/10,450.38 = 2,962.44/x
  3. Step 3: Cross multiply
    6,969.78x = 10,450.38 × 2,962.44
  4. Step 4: Simplify right side
    6,969.78x = 30,958,623.73
  5. Step 5: Solve for x
    x = 30,958,623.73/6,969.78
  6. Step 6: Final answer
    x = 4,441.84

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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.