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Finding the Fourth Proportional to 6,394.97, 8,822.21 and 3,741.21

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Solution

The fourth proportional to 6,394.97, 8,822.21 and 3,741.21 is: 5,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.97 : 8,822.21 = 3,741.21 : x
  2. Step 2: Convert to fraction form
    6,394.97/8,822.21 = 3,741.21/x
  3. Step 3: Cross multiply
    6,394.97x = 8,822.21 × 3,741.21
  4. Step 4: Simplify right side
    6,394.97x = 33,005,721.57
  5. Step 5: Solve for x
    x = 33,005,721.57/6,394.97
  6. Step 6: Final answer
    x = 5,161.20

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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.