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Finding the Fourth Proportional to 6,809.18, 9,395.21 and 3,975.27

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Solution

The fourth proportional to 6,809.18, 9,395.21 and 3,975.27 is: 5,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.18 : 9,395.21 = 3,975.27 : x
  2. Step 2: Convert to fraction form
    6,809.18/9,395.21 = 3,975.27/x
  3. Step 3: Cross multiply
    6,809.18x = 9,395.21 × 3,975.27
  4. Step 4: Simplify right side
    6,809.18x = 37,348,472.97
  5. Step 5: Solve for x
    x = 37,348,472.97/6,809.18
  6. Step 6: Final answer
    x = 5,485.02

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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.