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Finding the Fourth Proportional to 60,340.43, 90,481.41 and 35,388.65

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Solution

The fourth proportional to 60,340.43, 90,481.41 and 35,388.65 is: 53,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,340.43 : 90,481.41 = 35,388.65 : x
  2. Step 2: Convert to fraction form
    60,340.43/90,481.41 = 35,388.65/x
  3. Step 3: Cross multiply
    60,340.43x = 90,481.41 × 35,388.65
  4. Step 4: Simplify right side
    60,340.43x = 3,202,014,497.59
  5. Step 5: Solve for x
    x = 3,202,014,497.59/60,340.43
  6. Step 6: Final answer
    x = 53,065.83

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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.