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Finding the Fourth Proportional to 49,672.40, 74,508.60 and 41,361.80

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Solution

The fourth proportional to 49,672.40, 74,508.60 and 41,361.80 is: 62,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,672.40 : 74,508.60 = 41,361.80 : x
  2. Step 2: Convert to fraction form
    49,672.40/74,508.60 = 41,361.80/x
  3. Step 3: Cross multiply
    49,672.40x = 74,508.60 × 41,361.80
  4. Step 4: Simplify right side
    49,672.40x = 3,081,809,811.48
  5. Step 5: Solve for x
    x = 3,081,809,811.48/49,672.40
  6. Step 6: Final answer
    x = 62,042.70

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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.