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Finding the Fourth Proportional to 17,881.16, 26,821.76 and 6,194.39

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Solution

The fourth proportional to 17,881.16, 26,821.76 and 6,194.39 is: 9,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.16 : 26,821.76 = 6,194.39 : x
  2. Step 2: Convert to fraction form
    17,881.16/26,821.76 = 6,194.39/x
  3. Step 3: Cross multiply
    17,881.16x = 26,821.76 × 6,194.39
  4. Step 4: Simplify right side
    17,881.16x = 166,144,276.85
  5. Step 5: Solve for x
    x = 166,144,276.85/17,881.16
  6. Step 6: Final answer
    x = 9,291.59

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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.