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Finding the Fourth Proportional to 18,249.62, 27,373.05 and 5,103.01

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Solution

The fourth proportional to 18,249.62, 27,373.05 and 5,103.01 is: 7,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.62 : 27,373.05 = 5,103.01 : x
  2. Step 2: Convert to fraction form
    18,249.62/27,373.05 = 5,103.01/x
  3. Step 3: Cross multiply
    18,249.62x = 27,373.05 × 5,103.01
  4. Step 4: Simplify right side
    18,249.62x = 139,684,879.45
  5. Step 5: Solve for x
    x = 139,684,879.45/18,249.62
  6. Step 6: Final answer
    x = 7,654.13

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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.