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Finding the Fourth Proportional to 41,687.51, 57,523.41 and 23,781.47

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Solution

The fourth proportional to 41,687.51, 57,523.41 and 23,781.47 is: 32,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,687.51 : 57,523.41 = 23,781.47 : x
  2. Step 2: Convert to fraction form
    41,687.51/57,523.41 = 23,781.47/x
  3. Step 3: Cross multiply
    41,687.51x = 57,523.41 × 23,781.47
  4. Step 4: Simplify right side
    41,687.51x = 1,367,990,961.60
  5. Step 5: Solve for x
    x = 1,367,990,961.60/41,687.51
  6. Step 6: Final answer
    x = 32,815.37

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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.