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Finding the Fourth Proportional to 17,940.06, 26,910 and 8,551.62

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Solution

The fourth proportional to 17,940.06, 26,910 and 8,551.62 is: 12,827.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.06 : 26,910 = 8,551.62 : x
  2. Step 2: Convert to fraction form
    17,940.06/26,910 = 8,551.62/x
  3. Step 3: Cross multiply
    17,940.06x = 26,910 × 8,551.62
  4. Step 4: Simplify right side
    17,940.06x = 230,124,094.20
  5. Step 5: Solve for x
    x = 230,124,094.20/17,940.06
  6. Step 6: Final answer
    x = 12,827.39

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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.