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Finding the Fourth Proportional to 54,999.80, 75,886.58 and 33,489.29

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Solution

The fourth proportional to 54,999.80, 75,886.58 and 33,489.29 is: 46,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,999.80 : 75,886.58 = 33,489.29 : x
  2. Step 2: Convert to fraction form
    54,999.80/75,886.58 = 33,489.29/x
  3. Step 3: Cross multiply
    54,999.80x = 75,886.58 × 33,489.29
  4. Step 4: Simplify right side
    54,999.80x = 2,541,387,137.85
  5. Step 5: Solve for x
    x = 2,541,387,137.85/54,999.80
  6. Step 6: Final answer
    x = 46,207.21

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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.