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Finding the Fourth Proportional to 43,874.04, 65,823.80 and 15,793.56

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Solution

The fourth proportional to 43,874.04, 65,823.80 and 15,793.56 is: 23,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,874.04 : 65,823.80 = 15,793.56 : x
  2. Step 2: Convert to fraction form
    43,874.04/65,823.80 = 15,793.56/x
  3. Step 3: Cross multiply
    43,874.04x = 65,823.80 × 15,793.56
  4. Step 4: Simplify right side
    43,874.04x = 1,039,592,134.73
  5. Step 5: Solve for x
    x = 1,039,592,134.73/43,874.04
  6. Step 6: Final answer
    x = 23,694.93

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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.