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Finding the Fourth Proportional to 5,550.83, 7,660.20 and 3,033.01

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Solution

The fourth proportional to 5,550.83, 7,660.20 and 3,033.01 is: 4,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.83 : 7,660.20 = 3,033.01 : x
  2. Step 2: Convert to fraction form
    5,550.83/7,660.20 = 3,033.01/x
  3. Step 3: Cross multiply
    5,550.83x = 7,660.20 × 3,033.01
  4. Step 4: Simplify right side
    5,550.83x = 23,233,444.05
  5. Step 5: Solve for x
    x = 23,233,444.05/5,550.83
  6. Step 6: Final answer
    x = 4,185.58

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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.