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Finding the Fourth Proportional to 6,813.36, 9,403.51 and 3,982.41

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Solution

The fourth proportional to 6,813.36, 9,403.51 and 3,982.41 is: 5,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.36 : 9,403.51 = 3,982.41 : x
  2. Step 2: Convert to fraction form
    6,813.36/9,403.51 = 3,982.41/x
  3. Step 3: Cross multiply
    6,813.36x = 9,403.51 × 3,982.41
  4. Step 4: Simplify right side
    6,813.36x = 37,448,565.33
  5. Step 5: Solve for x
    x = 37,448,565.33/6,813.36
  6. Step 6: Final answer
    x = 5,496.35

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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.