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Finding the Fourth Proportional to 43,375.94, 65,063.01 and 13,793.84

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Solution

The fourth proportional to 43,375.94, 65,063.01 and 13,793.84 is: 20,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,375.94 : 65,063.01 = 13,793.84 : x
  2. Step 2: Convert to fraction form
    43,375.94/65,063.01 = 13,793.84/x
  3. Step 3: Cross multiply
    43,375.94x = 65,063.01 × 13,793.84
  4. Step 4: Simplify right side
    43,375.94x = 897,468,749.86
  5. Step 5: Solve for x
    x = 897,468,749.86/43,375.94
  6. Step 6: Final answer
    x = 20,690.47

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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.