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Finding the Fourth Proportional to 17,055.94, 25,589.07 and 8,741.85

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Solution

The fourth proportional to 17,055.94, 25,589.07 and 8,741.85 is: 13,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,055.94 : 25,589.07 = 8,741.85 : x
  2. Step 2: Convert to fraction form
    17,055.94/25,589.07 = 8,741.85/x
  3. Step 3: Cross multiply
    17,055.94x = 25,589.07 × 8,741.85
  4. Step 4: Simplify right side
    17,055.94x = 223,695,715.62
  5. Step 5: Solve for x
    x = 223,695,715.62/17,055.94
  6. Step 6: Final answer
    x = 13,115.42

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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.