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Finding the Fourth Proportional to 43,792.80, 65,650.80 and 26,269.60

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Solution

The fourth proportional to 43,792.80, 65,650.80 and 26,269.60 is: 39,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,792.80 : 65,650.80 = 26,269.60 : x
  2. Step 2: Convert to fraction form
    43,792.80/65,650.80 = 26,269.60/x
  3. Step 3: Cross multiply
    43,792.80x = 65,650.80 × 26,269.60
  4. Step 4: Simplify right side
    43,792.80x = 1,724,620,255.68
  5. Step 5: Solve for x
    x = 1,724,620,255.68/43,792.80
  6. Step 6: Final answer
    x = 39,381.37

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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.