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Finding the Fourth Proportional to 17,078.80, 25,632.60 and 7,733.20

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Solution

The fourth proportional to 17,078.80, 25,632.60 and 7,733.20 is: 11,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.80 : 25,632.60 = 7,733.20 : x
  2. Step 2: Convert to fraction form
    17,078.80/25,632.60 = 7,733.20/x
  3. Step 3: Cross multiply
    17,078.80x = 25,632.60 × 7,733.20
  4. Step 4: Simplify right side
    17,078.80x = 198,222,022.32
  5. Step 5: Solve for x
    x = 198,222,022.32/17,078.80
  6. Step 6: Final answer
    x = 11,606.32

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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.