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Finding the Fourth Proportional to 18,150.08, 27,224 and 5,003.52

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Solution

The fourth proportional to 18,150.08, 27,224 and 5,003.52 is: 7,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.08 : 27,224 = 5,003.52 : x
  2. Step 2: Convert to fraction form
    18,150.08/27,224 = 5,003.52/x
  3. Step 3: Cross multiply
    18,150.08x = 27,224 × 5,003.52
  4. Step 4: Simplify right side
    18,150.08x = 136,215,828.48
  5. Step 5: Solve for x
    x = 136,215,828.48/18,150.08
  6. Step 6: Final answer
    x = 7,504.97

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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.