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Finding the Fourth Proportional to 57,295.44, 79,067.75 and 31,801.82

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Solution

The fourth proportional to 57,295.44, 79,067.75 and 31,801.82 is: 43,886.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,295.44 : 79,067.75 = 31,801.82 : x
  2. Step 2: Convert to fraction form
    57,295.44/79,067.75 = 31,801.82/x
  3. Step 3: Cross multiply
    57,295.44x = 79,067.75 × 31,801.82
  4. Step 4: Simplify right side
    57,295.44x = 2,514,497,798.96
  5. Step 5: Solve for x
    x = 2,514,497,798.96/57,295.44
  6. Step 6: Final answer
    x = 43,886.53

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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.