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Finding the Fourth Proportional to 18,402.75, 27,603.52 and 5,923.49

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Solution

The fourth proportional to 18,402.75, 27,603.52 and 5,923.49 is: 8,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.75 : 27,603.52 = 5,923.49 : x
  2. Step 2: Convert to fraction form
    18,402.75/27,603.52 = 5,923.49/x
  3. Step 3: Cross multiply
    18,402.75x = 27,603.52 × 5,923.49
  4. Step 4: Simplify right side
    18,402.75x = 163,509,021.86
  5. Step 5: Solve for x
    x = 163,509,021.86/18,402.75
  6. Step 6: Final answer
    x = 8,885.03

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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.