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Finding the Fourth Proportional to 6,843.21, 10,246.28 and 3,549.41

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Solution

The fourth proportional to 6,843.21, 10,246.28 and 3,549.41 is: 5,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,843.21 : 10,246.28 = 3,549.41 : x
  2. Step 2: Convert to fraction form
    6,843.21/10,246.28 = 3,549.41/x
  3. Step 3: Cross multiply
    6,843.21x = 10,246.28 × 3,549.41
  4. Step 4: Simplify right side
    6,843.21x = 36,368,179.72
  5. Step 5: Solve for x
    x = 36,368,179.72/6,843.21
  6. Step 6: Final answer
    x = 5,314.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.