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Finding the Fourth Proportional to 51,099, 76,652.82 and 14,163

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Solution

The fourth proportional to 51,099, 76,652.82 and 14,163 is: 21,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,099 : 76,652.82 = 14,163 : x
  2. Step 2: Convert to fraction form
    51,099/76,652.82 = 14,163/x
  3. Step 3: Cross multiply
    51,099x = 76,652.82 × 14,163
  4. Step 4: Simplify right side
    51,099x = 1,085,633,889.66
  5. Step 5: Solve for x
    x = 1,085,633,889.66/51,099
  6. Step 6: Final answer
    x = 21,245.70

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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.