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Finding the Fourth Proportional to 33,245.60, 49,857.60 and 11,055.20

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Solution

The fourth proportional to 33,245.60, 49,857.60 and 11,055.20 is: 16,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,245.60 : 49,857.60 = 11,055.20 : x
  2. Step 2: Convert to fraction form
    33,245.60/49,857.60 = 11,055.20/x
  3. Step 3: Cross multiply
    33,245.60x = 49,857.60 × 11,055.20
  4. Step 4: Simplify right side
    33,245.60x = 551,185,739.52
  5. Step 5: Solve for x
    x = 551,185,739.52/33,245.60
  6. Step 6: Final answer
    x = 16,579.21

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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.