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Finding the Fourth Proportional to 43,884.22, 65,766.70 and 18,562.70

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Solution

The fourth proportional to 43,884.22, 65,766.70 and 18,562.70 is: 27,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,884.22 : 65,766.70 = 18,562.70 : x
  2. Step 2: Convert to fraction form
    43,884.22/65,766.70 = 18,562.70/x
  3. Step 3: Cross multiply
    43,884.22x = 65,766.70 × 18,562.70
  4. Step 4: Simplify right side
    43,884.22x = 1,220,807,522.09
  5. Step 5: Solve for x
    x = 1,220,807,522.09/43,884.22
  6. Step 6: Final answer
    x = 27,818.83

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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.