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Finding the Fourth Proportional to 6,760.28, 9,329.45 and 3,927.62

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Solution

The fourth proportional to 6,760.28, 9,329.45 and 3,927.62 is: 5,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.28 : 9,329.45 = 3,927.62 : x
  2. Step 2: Convert to fraction form
    6,760.28/9,329.45 = 3,927.62/x
  3. Step 3: Cross multiply
    6,760.28x = 9,329.45 × 3,927.62
  4. Step 4: Simplify right side
    6,760.28x = 36,642,468.12
  5. Step 5: Solve for x
    x = 36,642,468.12/6,760.28
  6. Step 6: Final answer
    x = 5,420.26

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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.