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Finding the Fourth Proportional to 5,648.00, 7,794.11 and 3,289.99

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Solution

The fourth proportional to 5,648.00, 7,794.11 and 3,289.99 is: 4,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.00 : 7,794.11 = 3,289.99 : x
  2. Step 2: Convert to fraction form
    5,648.00/7,794.11 = 3,289.99/x
  3. Step 3: Cross multiply
    5,648.00x = 7,794.11 × 3,289.99
  4. Step 4: Simplify right side
    5,648.00x = 25,642,564.61
  5. Step 5: Solve for x
    x = 25,642,564.61/5,648.00
  6. Step 6: Final answer
    x = 4,540.11

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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.