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Finding the Fourth Proportional to 66,889.44, 100,339.63 and 33,592.37

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Solution

The fourth proportional to 66,889.44, 100,339.63 and 33,592.37 is: 50,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,889.44 : 100,339.63 = 33,592.37 : x
  2. Step 2: Convert to fraction form
    66,889.44/100,339.63 = 33,592.37/x
  3. Step 3: Cross multiply
    66,889.44x = 100,339.63 × 33,592.37
  4. Step 4: Simplify right side
    66,889.44x = 3,370,645,390.94
  5. Step 5: Solve for x
    x = 3,370,645,390.94/66,889.44
  6. Step 6: Final answer
    x = 50,391.29

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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.