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Finding the Fourth Proportional to 52,954.40, 79,449.83 and 33,209.84

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Solution

The fourth proportional to 52,954.40, 79,449.83 and 33,209.84 is: 49,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,954.40 : 79,449.83 = 33,209.84 : x
  2. Step 2: Convert to fraction form
    52,954.40/79,449.83 = 33,209.84/x
  3. Step 3: Cross multiply
    52,954.40x = 79,449.83 × 33,209.84
  4. Step 4: Simplify right side
    52,954.40x = 2,638,515,579.03
  5. Step 5: Solve for x
    x = 2,638,515,579.03/52,954.40
  6. Step 6: Final answer
    x = 49,826.19

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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.