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Finding the Fourth Proportional to 12,353.08, 18,524.03 and 5,329.78

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Solution

The fourth proportional to 12,353.08, 18,524.03 and 5,329.78 is: 7,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.08 : 18,524.03 = 5,329.78 : x
  2. Step 2: Convert to fraction form
    12,353.08/18,524.03 = 5,329.78/x
  3. Step 3: Cross multiply
    12,353.08x = 18,524.03 × 5,329.78
  4. Step 4: Simplify right side
    12,353.08x = 98,729,004.61
  5. Step 5: Solve for x
    x = 98,729,004.61/12,353.08
  6. Step 6: Final answer
    x = 7,992.26

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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.