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Finding the Fourth Proportional to 6,958.26, 9,602.79 and 3,975.07

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Solution

The fourth proportional to 6,958.26, 9,602.79 and 3,975.07 is: 5,485.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,958.26 : 9,602.79 = 3,975.07 : x
  2. Step 2: Convert to fraction form
    6,958.26/9,602.79 = 3,975.07/x
  3. Step 3: Cross multiply
    6,958.26x = 9,602.79 × 3,975.07
  4. Step 4: Simplify right side
    6,958.26x = 38,171,694.56
  5. Step 5: Solve for x
    x = 38,171,694.56/6,958.26
  6. Step 6: Final answer
    x = 5,485.81

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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.