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Finding the Fourth Proportional to 23,321.82, 34,982.72 and 8,522.66

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Solution

The fourth proportional to 23,321.82, 34,982.72 and 8,522.66 is: 12,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,321.82 : 34,982.72 = 8,522.66 : x
  2. Step 2: Convert to fraction form
    23,321.82/34,982.72 = 8,522.66/x
  3. Step 3: Cross multiply
    23,321.82x = 34,982.72 × 8,522.66
  4. Step 4: Simplify right side
    23,321.82x = 298,145,873.28
  5. Step 5: Solve for x
    x = 298,145,873.28/23,321.82
  6. Step 6: Final answer
    x = 12,783.99

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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.