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Finding the Fourth Proportional to 18,444.11, 27,704.43 and 17,952.03

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Solution

The fourth proportional to 18,444.11, 27,704.43 and 17,952.03 is: 26,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.11 : 27,704.43 = 17,952.03 : x
  2. Step 2: Convert to fraction form
    18,444.11/27,704.43 = 17,952.03/x
  3. Step 3: Cross multiply
    18,444.11x = 27,704.43 × 17,952.03
  4. Step 4: Simplify right side
    18,444.11x = 497,350,758.49
  5. Step 5: Solve for x
    x = 497,350,758.49/18,444.11
  6. Step 6: Final answer
    x = 26,965.30

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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.