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Finding the Fourth Proportional to 43,976.93, 65,965.41 and 10,696.79

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Solution

The fourth proportional to 43,976.93, 65,965.41 and 10,696.79 is: 16,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,976.93 : 65,965.41 = 10,696.79 : x
  2. Step 2: Convert to fraction form
    43,976.93/65,965.41 = 10,696.79/x
  3. Step 3: Cross multiply
    43,976.93x = 65,965.41 × 10,696.79
  4. Step 4: Simplify right side
    43,976.93x = 705,618,138.03
  5. Step 5: Solve for x
    x = 705,618,138.03/43,976.93
  6. Step 6: Final answer
    x = 16,045.19

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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.