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Finding the Fourth Proportional to 45,995.97, 69,020.73 and 19,340.03

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Solution

The fourth proportional to 45,995.97, 69,020.73 and 19,340.03 is: 29,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,995.97 : 69,020.73 = 19,340.03 : x
  2. Step 2: Convert to fraction form
    45,995.97/69,020.73 = 19,340.03/x
  3. Step 3: Cross multiply
    45,995.97x = 69,020.73 × 19,340.03
  4. Step 4: Simplify right side
    45,995.97x = 1,334,863,161.37
  5. Step 5: Solve for x
    x = 1,334,863,161.37/45,995.97
  6. Step 6: Final answer
    x = 29,021.31

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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.