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Finding the Fourth Proportional to 22,288.28, 30,760.98 and 13,793.14

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Solution

The fourth proportional to 22,288.28, 30,760.98 and 13,793.14 is: 19,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.28 : 30,760.98 = 13,793.14 : x
  2. Step 2: Convert to fraction form
    22,288.28/30,760.98 = 13,793.14/x
  3. Step 3: Cross multiply
    22,288.28x = 30,760.98 × 13,793.14
  4. Step 4: Simplify right side
    22,288.28x = 424,290,399.15
  5. Step 5: Solve for x
    x = 424,290,399.15/22,288.28
  6. Step 6: Final answer
    x = 19,036.48

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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.