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Finding the Fourth Proportional to 54,259.51, 81,388.51 and 32,917.31

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Solution

The fourth proportional to 54,259.51, 81,388.51 and 32,917.31 is: 49,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.51 : 81,388.51 = 32,917.31 : x
  2. Step 2: Convert to fraction form
    54,259.51/81,388.51 = 32,917.31/x
  3. Step 3: Cross multiply
    54,259.51x = 81,388.51 × 32,917.31
  4. Step 4: Simplify right side
    54,259.51x = 2,679,090,782.68
  5. Step 5: Solve for x
    x = 2,679,090,782.68/54,259.51
  6. Step 6: Final answer
    x = 49,375.51

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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.