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Finding the Fourth Proportional to 43,832.80, 65,619.60 and 41,269.60

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Solution

The fourth proportional to 43,832.80, 65,619.60 and 41,269.60 is: 61,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,832.80 : 65,619.60 = 41,269.60 : x
  2. Step 2: Convert to fraction form
    43,832.80/65,619.60 = 41,269.60/x
  3. Step 3: Cross multiply
    43,832.80x = 65,619.60 × 41,269.60
  4. Step 4: Simplify right side
    43,832.80x = 2,708,094,644.16
  5. Step 5: Solve for x
    x = 2,708,094,644.16/43,832.80
  6. Step 6: Final answer
    x = 61,782.38

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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.