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Finding the Fourth Proportional to 18,048.17, 27,054.07 and 7,524.01

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Solution

The fourth proportional to 18,048.17, 27,054.07 and 7,524.01 is: 11,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.17 : 27,054.07 = 7,524.01 : x
  2. Step 2: Convert to fraction form
    18,048.17/27,054.07 = 7,524.01/x
  3. Step 3: Cross multiply
    18,048.17x = 27,054.07 × 7,524.01
  4. Step 4: Simplify right side
    18,048.17x = 203,555,093.22
  5. Step 5: Solve for x
    x = 203,555,093.22/18,048.17
  6. Step 6: Final answer
    x = 11,278.43

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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.