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Finding the Fourth Proportional to 44,641.82, 66,963.74 and 11,361.75

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Solution

The fourth proportional to 44,641.82, 66,963.74 and 11,361.75 is: 17,042.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,641.82 : 66,963.74 = 11,361.75 : x
  2. Step 2: Convert to fraction form
    44,641.82/66,963.74 = 11,361.75/x
  3. Step 3: Cross multiply
    44,641.82x = 66,963.74 × 11,361.75
  4. Step 4: Simplify right side
    44,641.82x = 760,825,216.14
  5. Step 5: Solve for x
    x = 760,825,216.14/44,641.82
  6. Step 6: Final answer
    x = 17,042.88

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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.