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Finding the Fourth Proportional to 11,676.52, 16,108.14 and 7,898.50

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Solution

The fourth proportional to 11,676.52, 16,108.14 and 7,898.50 is: 10,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.52 : 16,108.14 = 7,898.50 : x
  2. Step 2: Convert to fraction form
    11,676.52/16,108.14 = 7,898.50/x
  3. Step 3: Cross multiply
    11,676.52x = 16,108.14 × 7,898.50
  4. Step 4: Simplify right side
    11,676.52x = 127,230,143.79
  5. Step 5: Solve for x
    x = 127,230,143.79/11,676.52
  6. Step 6: Final answer
    x = 10,896.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.