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Finding the Fourth Proportional to 16,753.23, 25,112.09 and 7,861.05

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Solution

The fourth proportional to 16,753.23, 25,112.09 and 7,861.05 is: 11,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,753.23 : 25,112.09 = 7,861.05 : x
  2. Step 2: Convert to fraction form
    16,753.23/25,112.09 = 7,861.05/x
  3. Step 3: Cross multiply
    16,753.23x = 25,112.09 × 7,861.05
  4. Step 4: Simplify right side
    16,753.23x = 197,407,414.75
  5. Step 5: Solve for x
    x = 197,407,414.75/16,753.23
  6. Step 6: Final answer
    x = 11,783.25

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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.