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Finding the Fourth Proportional to 43,375.80, 65,160.90 and 41,604.60

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Solution

The fourth proportional to 43,375.80, 65,160.90 and 41,604.60 is: 62,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,375.80 : 65,160.90 = 41,604.60 : x
  2. Step 2: Convert to fraction form
    43,375.80/65,160.90 = 41,604.60/x
  3. Step 3: Cross multiply
    43,375.80x = 65,160.90 × 41,604.60
  4. Step 4: Simplify right side
    43,375.80x = 2,710,993,180.14
  5. Step 5: Solve for x
    x = 2,710,993,180.14/43,375.80
  6. Step 6: Final answer
    x = 62,500.13

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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.