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Finding the Fourth Proportional to 6,631.94, 9,143.97 and 4,393.22

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Solution

The fourth proportional to 6,631.94, 9,143.97 and 4,393.22 is: 6,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.94 : 9,143.97 = 4,393.22 : x
  2. Step 2: Convert to fraction form
    6,631.94/9,143.97 = 4,393.22/x
  3. Step 3: Cross multiply
    6,631.94x = 9,143.97 × 4,393.22
  4. Step 4: Simplify right side
    6,631.94x = 40,171,471.88
  5. Step 5: Solve for x
    x = 40,171,471.88/6,631.94
  6. Step 6: Final answer
    x = 6,057.27

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Half scale
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Double scale
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Similar ratio
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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.