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Finding the Fourth Proportional to 17,992.86, 26,989.25 and 4,845.24

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Solution

The fourth proportional to 17,992.86, 26,989.25 and 4,845.24 is: 7,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.86 : 26,989.25 = 4,845.24 : x
  2. Step 2: Convert to fraction form
    17,992.86/26,989.25 = 4,845.24/x
  3. Step 3: Cross multiply
    17,992.86x = 26,989.25 × 4,845.24
  4. Step 4: Simplify right side
    17,992.86x = 130,769,449.03
  5. Step 5: Solve for x
    x = 130,769,449.03/17,992.86
  6. Step 6: Final answer
    x = 7,267.85

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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.