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Finding the Fourth Proportional to 65,907.33, 98,926.60 and 36,339.09

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Solution

The fourth proportional to 65,907.33, 98,926.60 and 36,339.09 is: 54,544.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,907.33 : 98,926.60 = 36,339.09 : x
  2. Step 2: Convert to fraction form
    65,907.33/98,926.60 = 36,339.09/x
  3. Step 3: Cross multiply
    65,907.33x = 98,926.60 × 36,339.09
  4. Step 4: Simplify right side
    65,907.33x = 3,594,902,620.79
  5. Step 5: Solve for x
    x = 3,594,902,620.79/65,907.33
  6. Step 6: Final answer
    x = 54,544.81

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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.