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Finding the Fourth Proportional to 19,793.72, 29,690.73 and 5,754.69

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Solution

The fourth proportional to 19,793.72, 29,690.73 and 5,754.69 is: 8,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.72 : 29,690.73 = 5,754.69 : x
  2. Step 2: Convert to fraction form
    19,793.72/29,690.73 = 5,754.69/x
  3. Step 3: Cross multiply
    19,793.72x = 29,690.73 × 5,754.69
  4. Step 4: Simplify right side
    19,793.72x = 170,860,947.02
  5. Step 5: Solve for x
    x = 170,860,947.02/19,793.72
  6. Step 6: Final answer
    x = 8,632.08

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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.