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Finding the Fourth Proportional to 16,768.12, 25,134.36 and 7,984.48

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Solution

The fourth proportional to 16,768.12, 25,134.36 and 7,984.48 is: 11,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.12 : 25,134.36 = 7,984.48 : x
  2. Step 2: Convert to fraction form
    16,768.12/25,134.36 = 7,984.48/x
  3. Step 3: Cross multiply
    16,768.12x = 25,134.36 × 7,984.48
  4. Step 4: Simplify right side
    16,768.12x = 200,684,794.73
  5. Step 5: Solve for x
    x = 200,684,794.73/16,768.12
  6. Step 6: Final answer
    x = 11,968.23

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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.