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Finding the Fourth Proportional to 9,563.92, 13,190.88 and 6,920.08

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Solution

The fourth proportional to 9,563.92, 13,190.88 and 6,920.08 is: 9,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,563.92 : 13,190.88 = 6,920.08 : x
  2. Step 2: Convert to fraction form
    9,563.92/13,190.88 = 6,920.08/x
  3. Step 3: Cross multiply
    9,563.92x = 13,190.88 × 6,920.08
  4. Step 4: Simplify right side
    9,563.92x = 91,281,944.87
  5. Step 5: Solve for x
    x = 91,281,944.87/9,563.92
  6. Step 6: Final answer
    x = 9,544.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.