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Finding the Fourth Proportional to 16,703.21, 23,049.74 and 9,992.54

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Solution

The fourth proportional to 16,703.21, 23,049.74 and 9,992.54 is: 13,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,703.21 : 23,049.74 = 9,992.54 : x
  2. Step 2: Convert to fraction form
    16,703.21/23,049.74 = 9,992.54/x
  3. Step 3: Cross multiply
    16,703.21x = 23,049.74 × 9,992.54
  4. Step 4: Simplify right side
    16,703.21x = 230,325,531.55
  5. Step 5: Solve for x
    x = 230,325,531.55/16,703.21
  6. Step 6: Final answer
    x = 13,789.30

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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.