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Finding the Fourth Proportional to 54,755.94, 75,494.74 and 45,694.32

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Solution

The fourth proportional to 54,755.94, 75,494.74 and 45,694.32 is: 63,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755.94 : 75,494.74 = 45,694.32 : x
  2. Step 2: Convert to fraction form
    54,755.94/75,494.74 = 45,694.32/x
  3. Step 3: Cross multiply
    54,755.94x = 75,494.74 × 45,694.32
  4. Step 4: Simplify right side
    54,755.94x = 3,449,680,807.88
  5. Step 5: Solve for x
    x = 3,449,680,807.88/54,755.94
  6. Step 6: Final answer
    x = 63,001.03

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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.