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Finding the Fourth Proportional to 11,898.92, 17,848.92 and 4,108.88

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Solution

The fourth proportional to 11,898.92, 17,848.92 and 4,108.88 is: 6,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.92 : 17,848.92 = 4,108.88 : x
  2. Step 2: Convert to fraction form
    11,898.92/17,848.92 = 4,108.88/x
  3. Step 3: Cross multiply
    11,898.92x = 17,848.92 × 4,108.88
  4. Step 4: Simplify right side
    11,898.92x = 73,339,070.41
  5. Step 5: Solve for x
    x = 73,339,070.41/11,898.92
  6. Step 6: Final answer
    x = 6,163.51

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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.