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Finding the Fourth Proportional to 62,644.19, 86,450.69 and 35,791.07

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Solution

The fourth proportional to 62,644.19, 86,450.69 and 35,791.07 is: 49,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,644.19 : 86,450.69 = 35,791.07 : x
  2. Step 2: Convert to fraction form
    62,644.19/86,450.69 = 35,791.07/x
  3. Step 3: Cross multiply
    62,644.19x = 86,450.69 × 35,791.07
  4. Step 4: Simplify right side
    62,644.19x = 3,094,162,354.56
  5. Step 5: Solve for x
    x = 3,094,162,354.56/62,644.19
  6. Step 6: Final answer
    x = 49,392.65

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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.