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Finding the Fourth Proportional to 66,050.44, 91,149.86 and 35,835.97

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Solution

The fourth proportional to 66,050.44, 91,149.86 and 35,835.97 is: 49,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050.44 : 91,149.86 = 35,835.97 : x
  2. Step 2: Convert to fraction form
    66,050.44/91,149.86 = 35,835.97/x
  3. Step 3: Cross multiply
    66,050.44x = 91,149.86 × 35,835.97
  4. Step 4: Simplify right side
    66,050.44x = 3,266,443,479.51
  5. Step 5: Solve for x
    x = 3,266,443,479.51/66,050.44
  6. Step 6: Final answer
    x = 49,453.78

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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.