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Finding the Fourth Proportional to 54,886.81, 75,744.11 and 29,736.31

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Solution

The fourth proportional to 54,886.81, 75,744.11 and 29,736.31 is: 41,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,886.81 : 75,744.11 = 29,736.31 : x
  2. Step 2: Convert to fraction form
    54,886.81/75,744.11 = 29,736.31/x
  3. Step 3: Cross multiply
    54,886.81x = 75,744.11 × 29,736.31
  4. Step 4: Simplify right side
    54,886.81x = 2,252,350,335.63
  5. Step 5: Solve for x
    x = 2,252,350,335.63/54,886.81
  6. Step 6: Final answer
    x = 41,036.28

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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.