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Finding the Fourth Proportional to 45,772.92, 68,596.92 and 28,009.71

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Solution

The fourth proportional to 45,772.92, 68,596.92 and 28,009.71 is: 41,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,772.92 : 68,596.92 = 28,009.71 : x
  2. Step 2: Convert to fraction form
    45,772.92/68,596.92 = 28,009.71/x
  3. Step 3: Cross multiply
    45,772.92x = 68,596.92 × 28,009.71
  4. Step 4: Simplify right side
    45,772.92x = 1,921,379,836.09
  5. Step 5: Solve for x
    x = 1,921,379,836.09/45,772.92
  6. Step 6: Final answer
    x = 41,976.34

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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.