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Finding the Fourth Proportional to 49,725.50, 68,621.19 and 27,369.50

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Solution

The fourth proportional to 49,725.50, 68,621.19 and 27,369.50 is: 37,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,725.50 : 68,621.19 = 27,369.50 : x
  2. Step 2: Convert to fraction form
    49,725.50/68,621.19 = 27,369.50/x
  3. Step 3: Cross multiply
    49,725.50x = 68,621.19 × 27,369.50
  4. Step 4: Simplify right side
    49,725.50x = 1,878,127,728.13
  5. Step 5: Solve for x
    x = 1,878,127,728.13/49,725.50
  6. Step 6: Final answer
    x = 37,769.91

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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.