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Finding the Fourth Proportional to 62,650.09, 86,373.48 and 49,772.09

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Solution

The fourth proportional to 62,650.09, 86,373.48 and 49,772.09 is: 68,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,650.09 : 86,373.48 = 49,772.09 : x
  2. Step 2: Convert to fraction form
    62,650.09/86,373.48 = 49,772.09/x
  3. Step 3: Cross multiply
    62,650.09x = 86,373.48 × 49,772.09
  4. Step 4: Simplify right side
    62,650.09x = 4,298,988,620.17
  5. Step 5: Solve for x
    x = 4,298,988,620.17/62,650.09
  6. Step 6: Final answer
    x = 68,619.03

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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.