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Finding the Fourth Proportional to 66,901.46, 100,204.14 and 27,338.54

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Solution

The fourth proportional to 66,901.46, 100,204.14 and 27,338.54 is: 40,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,901.46 : 100,204.14 = 27,338.54 : x
  2. Step 2: Convert to fraction form
    66,901.46/100,204.14 = 27,338.54/x
  3. Step 3: Cross multiply
    66,901.46x = 100,204.14 × 27,338.54
  4. Step 4: Simplify right side
    66,901.46x = 2,739,434,889.56
  5. Step 5: Solve for x
    x = 2,739,434,889.56/66,901.46
  6. Step 6: Final answer
    x = 40,947.31

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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.