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Finding the Fourth Proportional to 49,806.80, 74,644.60 and 36,597.20

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Solution

The fourth proportional to 49,806.80, 74,644.60 and 36,597.20 is: 54,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,806.80 : 74,644.60 = 36,597.20 : x
  2. Step 2: Convert to fraction form
    49,806.80/74,644.60 = 36,597.20/x
  3. Step 3: Cross multiply
    49,806.80x = 74,644.60 × 36,597.20
  4. Step 4: Simplify right side
    49,806.80x = 2,731,783,355.12
  5. Step 5: Solve for x
    x = 2,731,783,355.12/49,806.80
  6. Step 6: Final answer
    x = 54,847.60

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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.