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Finding the Fourth Proportional to 85,847.59, 128,735.70 and 33,226.75

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Solution

The fourth proportional to 85,847.59, 128,735.70 and 33,226.75 is: 49,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,847.59 : 128,735.70 = 33,226.75 : x
  2. Step 2: Convert to fraction form
    85,847.59/128,735.70 = 33,226.75/x
  3. Step 3: Cross multiply
    85,847.59x = 128,735.70 × 33,226.75
  4. Step 4: Simplify right side
    85,847.59x = 4,277,468,919.98
  5. Step 5: Solve for x
    x = 4,277,468,919.98/85,847.59
  6. Step 6: Final answer
    x = 49,826.31

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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.