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Finding the Fourth Proportional to 33,059.75, 49,589.63 and 8,435.75

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Solution

The fourth proportional to 33,059.75, 49,589.63 and 8,435.75 is: 12,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,059.75 : 49,589.63 = 8,435.75 : x
  2. Step 2: Convert to fraction form
    33,059.75/49,589.63 = 8,435.75/x
  3. Step 3: Cross multiply
    33,059.75x = 49,589.63 × 8,435.75
  4. Step 4: Simplify right side
    33,059.75x = 418,325,679.09
  5. Step 5: Solve for x
    x = 418,325,679.09/33,059.75
  6. Step 6: Final answer
    x = 12,653.63

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Half scale
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Double scale
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Similar ratio
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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.