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Finding the Fourth Proportional to 41,620.40, 62,430.60 and 41,361.20

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Solution

The fourth proportional to 41,620.40, 62,430.60 and 41,361.20 is: 62,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,620.40 : 62,430.60 = 41,361.20 : x
  2. Step 2: Convert to fraction form
    41,620.40/62,430.60 = 41,361.20/x
  3. Step 3: Cross multiply
    41,620.40x = 62,430.60 × 41,361.20
  4. Step 4: Simplify right side
    41,620.40x = 2,582,204,532.72
  5. Step 5: Solve for x
    x = 2,582,204,532.72/41,620.40
  6. Step 6: Final answer
    x = 62,041.80

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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.