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Finding the Fourth Proportional to 18,550.26, 27,825 and 4,510.36

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Solution

The fourth proportional to 18,550.26, 27,825 and 4,510.36 is: 6,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.26 : 27,825 = 4,510.36 : x
  2. Step 2: Convert to fraction form
    18,550.26/27,825 = 4,510.36/x
  3. Step 3: Cross multiply
    18,550.26x = 27,825 × 4,510.36
  4. Step 4: Simplify right side
    18,550.26x = 125,500,767.00
  5. Step 5: Solve for x
    x = 125,500,767.00/18,550.26
  6. Step 6: Final answer
    x = 6,765.45

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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.