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Finding the Fourth Proportional to 66,939.04, 92,375.92 and 37,131.04

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Solution

The fourth proportional to 66,939.04, 92,375.92 and 37,131.04 is: 51,240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,939.04 : 92,375.92 = 37,131.04 : x
  2. Step 2: Convert to fraction form
    66,939.04/92,375.92 = 37,131.04/x
  3. Step 3: Cross multiply
    66,939.04x = 92,375.92 × 37,131.04
  4. Step 4: Simplify right side
    66,939.04x = 3,430,013,980.56
  5. Step 5: Solve for x
    x = 3,430,013,980.56/66,939.04
  6. Step 6: Final answer
    x = 51,240.86

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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.