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Finding the Fourth Proportional to 13,793.76, 19,057.68 and 9,620.64

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Solution

The fourth proportional to 13,793.76, 19,057.68 and 9,620.64 is: 13,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.76 : 19,057.68 = 9,620.64 : x
  2. Step 2: Convert to fraction form
    13,793.76/19,057.68 = 9,620.64/x
  3. Step 3: Cross multiply
    13,793.76x = 19,057.68 × 9,620.64
  4. Step 4: Simplify right side
    13,793.76x = 183,347,078.52
  5. Step 5: Solve for x
    x = 183,347,078.52/13,793.76
  6. Step 6: Final answer
    x = 13,292.03

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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.