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Finding the Fourth Proportional to 49,641.80, 74,462.70 and 44,198.60

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Solution

The fourth proportional to 49,641.80, 74,462.70 and 44,198.60 is: 66,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,641.80 : 74,462.70 = 44,198.60 : x
  2. Step 2: Convert to fraction form
    49,641.80/74,462.70 = 44,198.60/x
  3. Step 3: Cross multiply
    49,641.80x = 74,462.70 × 44,198.60
  4. Step 4: Simplify right side
    49,641.80x = 3,291,147,092.22
  5. Step 5: Solve for x
    x = 3,291,147,092.22/49,641.80
  6. Step 6: Final answer
    x = 66,297.90

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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.