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Finding the Fourth Proportional to 62,628.69, 86,418.19 and 35,765.50

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Solution

The fourth proportional to 62,628.69, 86,418.19 and 35,765.50 is: 49,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,628.69 : 86,418.19 = 35,765.50 : x
  2. Step 2: Convert to fraction form
    62,628.69/86,418.19 = 35,765.50/x
  3. Step 3: Cross multiply
    62,628.69x = 86,418.19 × 35,765.50
  4. Step 4: Simplify right side
    62,628.69x = 3,090,789,774.45
  5. Step 5: Solve for x
    x = 3,090,789,774.45/62,628.69
  6. Step 6: Final answer
    x = 49,351.02

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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.