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Finding the Fourth Proportional to 22,379.94, 33,505.11 and 16,856.55

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Solution

The fourth proportional to 22,379.94, 33,505.11 and 16,856.55 is: 25,236.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.94 : 33,505.11 = 16,856.55 : x
  2. Step 2: Convert to fraction form
    22,379.94/33,505.11 = 16,856.55/x
  3. Step 3: Cross multiply
    22,379.94x = 33,505.11 × 16,856.55
  4. Step 4: Simplify right side
    22,379.94x = 564,780,561.97
  5. Step 5: Solve for x
    x = 564,780,561.97/22,379.94
  6. Step 6: Final answer
    x = 25,236.02

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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.