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Finding the Fourth Proportional to 49,464.40, 74,081.40 and 33,797.20

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Solution

The fourth proportional to 49,464.40, 74,081.40 and 33,797.20 is: 50,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,464.40 : 74,081.40 = 33,797.20 : x
  2. Step 2: Convert to fraction form
    49,464.40/74,081.40 = 33,797.20/x
  3. Step 3: Cross multiply
    49,464.40x = 74,081.40 × 33,797.20
  4. Step 4: Simplify right side
    49,464.40x = 2,503,743,892.08
  5. Step 5: Solve for x
    x = 2,503,743,892.08/49,464.40
  6. Step 6: Final answer
    x = 50,617.09

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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.