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Finding the Fourth Proportional to 54,585.88, 75,304 and 33,361.20

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Solution

The fourth proportional to 54,585.88, 75,304 and 33,361.20 is: 46,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,585.88 : 75,304 = 33,361.20 : x
  2. Step 2: Convert to fraction form
    54,585.88/75,304 = 33,361.20/x
  3. Step 3: Cross multiply
    54,585.88x = 75,304 × 33,361.20
  4. Step 4: Simplify right side
    54,585.88x = 2,512,231,804.80
  5. Step 5: Solve for x
    x = 2,512,231,804.80/54,585.88
  6. Step 6: Final answer
    x = 46,023.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.