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Finding the Fourth Proportional to 50,374.26, 75,512.13 and 18,761.16

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Solution

The fourth proportional to 50,374.26, 75,512.13 and 18,761.16 is: 28,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,374.26 : 75,512.13 = 18,761.16 : x
  2. Step 2: Convert to fraction form
    50,374.26/75,512.13 = 18,761.16/x
  3. Step 3: Cross multiply
    50,374.26x = 75,512.13 × 18,761.16
  4. Step 4: Simplify right side
    50,374.26x = 1,416,695,152.87
  5. Step 5: Solve for x
    x = 1,416,695,152.87/50,374.26
  6. Step 6: Final answer
    x = 28,123.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.