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Finding the Fourth Proportional to 50,374.73, 75,562.16 and 18,784.31

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Solution

The fourth proportional to 50,374.73, 75,562.16 and 18,784.31 is: 28,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,374.73 : 75,562.16 = 18,784.31 : x
  2. Step 2: Convert to fraction form
    50,374.73/75,562.16 = 18,784.31/x
  3. Step 3: Cross multiply
    50,374.73x = 75,562.16 × 18,784.31
  4. Step 4: Simplify right side
    50,374.73x = 1,419,382,565.98
  5. Step 5: Solve for x
    x = 1,419,382,565.98/50,374.73
  6. Step 6: Final answer
    x = 28,176.48

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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.