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Finding the Fourth Proportional to 13,355.83, 20,033.78 and 5,033.60

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Solution

The fourth proportional to 13,355.83, 20,033.78 and 5,033.60 is: 7,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.83 : 20,033.78 = 5,033.60 : x
  2. Step 2: Convert to fraction form
    13,355.83/20,033.78 = 5,033.60/x
  3. Step 3: Cross multiply
    13,355.83x = 20,033.78 × 5,033.60
  4. Step 4: Simplify right side
    13,355.83x = 100,842,035.01
  5. Step 5: Solve for x
    x = 100,842,035.01/13,355.83
  6. Step 6: Final answer
    x = 7,550.41

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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.