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Finding the Fourth Proportional to 62,910.50, 86,814.02 and 36,033.88

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Solution

The fourth proportional to 62,910.50, 86,814.02 and 36,033.88 is: 49,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,910.50 : 86,814.02 = 36,033.88 : x
  2. Step 2: Convert to fraction form
    62,910.50/86,814.02 = 36,033.88/x
  3. Step 3: Cross multiply
    62,910.50x = 86,814.02 × 36,033.88
  4. Step 4: Simplify right side
    62,910.50x = 3,128,245,979.00
  5. Step 5: Solve for x
    x = 3,128,245,979.00/62,910.50
  6. Step 6: Final answer
    x = 49,725.34

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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.