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Finding the Fourth Proportional to 54,273.32, 81,411.07 and 35,671.94

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Solution

The fourth proportional to 54,273.32, 81,411.07 and 35,671.94 is: 53,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,273.32 : 81,411.07 = 35,671.94 : x
  2. Step 2: Convert to fraction form
    54,273.32/81,411.07 = 35,671.94/x
  3. Step 3: Cross multiply
    54,273.32x = 81,411.07 × 35,671.94
  4. Step 4: Simplify right side
    54,273.32x = 2,904,090,918.72
  5. Step 5: Solve for x
    x = 2,904,090,918.72/54,273.32
  6. Step 6: Final answer
    x = 53,508.63

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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.