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Finding the Fourth Proportional to 6,798.85, 9,382.41 and 3,968.17

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Solution

The fourth proportional to 6,798.85, 9,382.41 and 3,968.17 is: 5,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.85 : 9,382.41 = 3,968.17 : x
  2. Step 2: Convert to fraction form
    6,798.85/9,382.41 = 3,968.17/x
  3. Step 3: Cross multiply
    6,798.85x = 9,382.41 × 3,968.17
  4. Step 4: Simplify right side
    6,798.85x = 37,230,978.05
  5. Step 5: Solve for x
    x = 37,230,978.05/6,798.85
  6. Step 6: Final answer
    x = 5,476.07

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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.