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Finding the Fourth Proportional to 3,661.00, 5,491.33 and 1,195.51

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Solution

The fourth proportional to 3,661.00, 5,491.33 and 1,195.51 is: 1,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.00 : 5,491.33 = 1,195.51 : x
  2. Step 2: Convert to fraction form
    3,661.00/5,491.33 = 1,195.51/x
  3. Step 3: Cross multiply
    3,661.00x = 5,491.33 × 1,195.51
  4. Step 4: Simplify right side
    3,661.00x = 6,564,933.51
  5. Step 5: Solve for x
    x = 6,564,933.51/3,661.00
  6. Step 6: Final answer
    x = 1,793.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.