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Finding the Fourth Proportional to 33,813.20, 50,724.60 and 10,437.20

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Solution

The fourth proportional to 33,813.20, 50,724.60 and 10,437.20 is: 15,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,813.20 : 50,724.60 = 10,437.20 : x
  2. Step 2: Convert to fraction form
    33,813.20/50,724.60 = 10,437.20/x
  3. Step 3: Cross multiply
    33,813.20x = 50,724.60 × 10,437.20
  4. Step 4: Simplify right side
    33,813.20x = 529,422,795.12
  5. Step 5: Solve for x
    x = 529,422,795.12/33,813.20
  6. Step 6: Final answer
    x = 15,657.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.