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Finding the Fourth Proportional to 47,980.94, 66,240.84 and 33,273.36

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Solution

The fourth proportional to 47,980.94, 66,240.84 and 33,273.36 is: 45,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.94 : 66,240.84 = 33,273.36 : x
  2. Step 2: Convert to fraction form
    47,980.94/66,240.84 = 33,273.36/x
  3. Step 3: Cross multiply
    47,980.94x = 66,240.84 × 33,273.36
  4. Step 4: Simplify right side
    47,980.94x = 2,204,055,316.02
  5. Step 5: Solve for x
    x = 2,204,055,316.02/47,980.94
  6. Step 6: Final answer
    x = 45,936.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.