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Finding the Fourth Proportional to 43,481.40, 65,270.70 and 33,664.20

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Solution

The fourth proportional to 43,481.40, 65,270.70 and 33,664.20 is: 50,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,481.40 : 65,270.70 = 33,664.20 : x
  2. Step 2: Convert to fraction form
    43,481.40/65,270.70 = 33,664.20/x
  3. Step 3: Cross multiply
    43,481.40x = 65,270.70 × 33,664.20
  4. Step 4: Simplify right side
    43,481.40x = 2,197,285,898.94
  5. Step 5: Solve for x
    x = 2,197,285,898.94/43,481.40
  6. Step 6: Final answer
    x = 50,533.93

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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.