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Finding the Fourth Proportional to 13,352.40, 20,033.40 and 5,563.60

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Solution

The fourth proportional to 13,352.40, 20,033.40 and 5,563.60 is: 8,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.40 : 20,033.40 = 5,563.60 : x
  2. Step 2: Convert to fraction form
    13,352.40/20,033.40 = 5,563.60/x
  3. Step 3: Cross multiply
    13,352.40x = 20,033.40 × 5,563.60
  4. Step 4: Simplify right side
    13,352.40x = 111,457,824.24
  5. Step 5: Solve for x
    x = 111,457,824.24/13,352.40
  6. Step 6: Final answer
    x = 8,347.40

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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.