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Finding the Fourth Proportional to 13,229.44, 19,844.16 and 3,995.44

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Solution

The fourth proportional to 13,229.44, 19,844.16 and 3,995.44 is: 5,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.44 : 19,844.16 = 3,995.44 : x
  2. Step 2: Convert to fraction form
    13,229.44/19,844.16 = 3,995.44/x
  3. Step 3: Cross multiply
    13,229.44x = 19,844.16 × 3,995.44
  4. Step 4: Simplify right side
    13,229.44x = 79,286,086.04
  5. Step 5: Solve for x
    x = 79,286,086.04/13,229.44
  6. Step 6: Final answer
    x = 5,993.16

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.