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Finding the Fourth Proportional to 23,188.88, 34,786.04 and 7,388.41

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Solution

The fourth proportional to 23,188.88, 34,786.04 and 7,388.41 is: 11,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.88 : 34,786.04 = 7,388.41 : x
  2. Step 2: Convert to fraction form
    23,188.88/34,786.04 = 7,388.41/x
  3. Step 3: Cross multiply
    23,188.88x = 34,786.04 × 7,388.41
  4. Step 4: Simplify right side
    23,188.88x = 257,013,457.30
  5. Step 5: Solve for x
    x = 257,013,457.30/23,188.88
  6. Step 6: Final answer
    x = 11,083.48

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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.