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Finding the Fourth Proportional to 43,374.42, 65,068.11 and 13,793.22

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Solution

The fourth proportional to 43,374.42, 65,068.11 and 13,793.22 is: 20,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,374.42 : 65,068.11 = 13,793.22 : x
  2. Step 2: Convert to fraction form
    43,374.42/65,068.11 = 13,793.22/x
  3. Step 3: Cross multiply
    43,374.42x = 65,068.11 × 13,793.22
  4. Step 4: Simplify right side
    43,374.42x = 897,498,524.58
  5. Step 5: Solve for x
    x = 897,498,524.58/43,374.42
  6. Step 6: Final answer
    x = 20,691.89

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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.