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Finding the Fourth Proportional to 5,660.00, 7,811.17 and 3,270.43

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Solution

The fourth proportional to 5,660.00, 7,811.17 and 3,270.43 is: 4,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.00 : 7,811.17 = 3,270.43 : x
  2. Step 2: Convert to fraction form
    5,660.00/7,811.17 = 3,270.43/x
  3. Step 3: Cross multiply
    5,660.00x = 7,811.17 × 3,270.43
  4. Step 4: Simplify right side
    5,660.00x = 25,545,857.00
  5. Step 5: Solve for x
    x = 25,545,857.00/5,660.00
  6. Step 6: Final answer
    x = 4,513.41

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Why These Related Problems?

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