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Finding the Fourth Proportional to 16,883.44, 23,299.14 and 9,431.44

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Solution

The fourth proportional to 16,883.44, 23,299.14 and 9,431.44 is: 13,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,883.44 : 23,299.14 = 9,431.44 : x
  2. Step 2: Convert to fraction form
    16,883.44/23,299.14 = 9,431.44/x
  3. Step 3: Cross multiply
    16,883.44x = 23,299.14 × 9,431.44
  4. Step 4: Simplify right side
    16,883.44x = 219,744,418.08
  5. Step 5: Solve for x
    x = 219,744,418.08/16,883.44
  6. Step 6: Final answer
    x = 13,015.38

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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.