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Finding the Fourth Proportional to 6,796.50, 9,378.36 and 3,964.47

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Solution

The fourth proportional to 6,796.50, 9,378.36 and 3,964.47 is: 5,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,796.50 : 9,378.36 = 3,964.47 : x
  2. Step 2: Convert to fraction form
    6,796.50/9,378.36 = 3,964.47/x
  3. Step 3: Cross multiply
    6,796.50x = 9,378.36 × 3,964.47
  4. Step 4: Simplify right side
    6,796.50x = 37,180,226.87
  5. Step 5: Solve for x
    x = 37,180,226.87/6,796.50
  6. Step 6: Final answer
    x = 5,470.50

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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.