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Finding the Fourth Proportional to 6,805.48, 9,391.26 and 3,821.26

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Solution

The fourth proportional to 6,805.48, 9,391.26 and 3,821.26 is: 5,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.48 : 9,391.26 = 3,821.26 : x
  2. Step 2: Convert to fraction form
    6,805.48/9,391.26 = 3,821.26/x
  3. Step 3: Cross multiply
    6,805.48x = 9,391.26 × 3,821.26
  4. Step 4: Simplify right side
    6,805.48x = 35,886,446.19
  5. Step 5: Solve for x
    x = 35,886,446.19/6,805.48
  6. Step 6: Final answer
    x = 5,273.17

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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.