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Finding the Fourth Proportional to 23,167.70, 34,724.70 and 10,661.48

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Solution

The fourth proportional to 23,167.70, 34,724.70 and 10,661.48 is: 15,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,167.70 : 34,724.70 = 10,661.48 : x
  2. Step 2: Convert to fraction form
    23,167.70/34,724.70 = 10,661.48/x
  3. Step 3: Cross multiply
    23,167.70x = 34,724.70 × 10,661.48
  4. Step 4: Simplify right side
    23,167.70x = 370,216,694.56
  5. Step 5: Solve for x
    x = 370,216,694.56/23,167.70
  6. Step 6: Final answer
    x = 15,979.86

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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.