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Finding the Fourth Proportional to 18,524.25, 27,786.42 and 4,673.25

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Solution

The fourth proportional to 18,524.25, 27,786.42 and 4,673.25 is: 7,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.25 : 27,786.42 = 4,673.25 : x
  2. Step 2: Convert to fraction form
    18,524.25/27,786.42 = 4,673.25/x
  3. Step 3: Cross multiply
    18,524.25x = 27,786.42 × 4,673.25
  4. Step 4: Simplify right side
    18,524.25x = 129,852,887.27
  5. Step 5: Solve for x
    x = 129,852,887.27/18,524.25
  6. Step 6: Final answer
    x = 7,009.89

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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.