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Finding the Fourth Proportional to 44,965.80, 67,448.70 and 43,993.80

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Solution

The fourth proportional to 44,965.80, 67,448.70 and 43,993.80 is: 65,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,965.80 : 67,448.70 = 43,993.80 : x
  2. Step 2: Convert to fraction form
    44,965.80/67,448.70 = 43,993.80/x
  3. Step 3: Cross multiply
    44,965.80x = 67,448.70 × 43,993.80
  4. Step 4: Simplify right side
    44,965.80x = 2,967,324,618.06
  5. Step 5: Solve for x
    x = 2,967,324,618.06/44,965.80
  6. Step 6: Final answer
    x = 65,990.70

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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.