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Finding the Fourth Proportional to 17,896.60, 26,836.80 and 8,030.80

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Solution

The fourth proportional to 17,896.60, 26,836.80 and 8,030.80 is: 12,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.60 : 26,836.80 = 8,030.80 : x
  2. Step 2: Convert to fraction form
    17,896.60/26,836.80 = 8,030.80/x
  3. Step 3: Cross multiply
    17,896.60x = 26,836.80 × 8,030.80
  4. Step 4: Simplify right side
    17,896.60x = 215,520,973.44
  5. Step 5: Solve for x
    x = 215,520,973.44/17,896.60
  6. Step 6: Final answer
    x = 12,042.57

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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.