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Finding the Fourth Proportional to 10,909.26, 15,054.78 and 5,941.26

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Solution

The fourth proportional to 10,909.26, 15,054.78 and 5,941.26 is: 8,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.26 : 15,054.78 = 5,941.26 : x
  2. Step 2: Convert to fraction form
    10,909.26/15,054.78 = 5,941.26/x
  3. Step 3: Cross multiply
    10,909.26x = 15,054.78 × 5,941.26
  4. Step 4: Simplify right side
    10,909.26x = 89,444,362.22
  5. Step 5: Solve for x
    x = 89,444,362.22/10,909.26
  6. Step 6: Final answer
    x = 8,198.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.