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Finding the Fourth Proportional to 17,930.20, 26,895.07 and 8,062.51

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Solution

The fourth proportional to 17,930.20, 26,895.07 and 8,062.51 is: 12,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.20 : 26,895.07 = 8,062.51 : x
  2. Step 2: Convert to fraction form
    17,930.20/26,895.07 = 8,062.51/x
  3. Step 3: Cross multiply
    17,930.20x = 26,895.07 × 8,062.51
  4. Step 4: Simplify right side
    17,930.20x = 216,841,770.83
  5. Step 5: Solve for x
    x = 216,841,770.83/17,930.20
  6. Step 6: Final answer
    x = 12,093.66

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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.