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Finding the Fourth Proportional to 50,425.98, 75,629.21 and 19,253.94

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Solution

The fourth proportional to 50,425.98, 75,629.21 and 19,253.94 is: 28,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,425.98 : 75,629.21 = 19,253.94 : x
  2. Step 2: Convert to fraction form
    50,425.98/75,629.21 = 19,253.94/x
  3. Step 3: Cross multiply
    50,425.98x = 75,629.21 × 19,253.94
  4. Step 4: Simplify right side
    50,425.98x = 1,456,160,175.32
  5. Step 5: Solve for x
    x = 1,456,160,175.32/50,425.98
  6. Step 6: Final answer
    x = 28,877.18

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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.