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Finding the Fourth Proportional to 17,376.78, 26,044.22 and 8,003.98

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Solution

The fourth proportional to 17,376.78, 26,044.22 and 8,003.98 is: 11,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.78 : 26,044.22 = 8,003.98 : x
  2. Step 2: Convert to fraction form
    17,376.78/26,044.22 = 8,003.98/x
  3. Step 3: Cross multiply
    17,376.78x = 26,044.22 × 8,003.98
  4. Step 4: Simplify right side
    17,376.78x = 208,457,416.00
  5. Step 5: Solve for x
    x = 208,457,416.00/17,376.78
  6. Step 6: Final answer
    x = 11,996.32

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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.