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Finding the Fourth Proportional to 17,706.65, 26,553.79 and 5,223.37

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Solution

The fourth proportional to 17,706.65, 26,553.79 and 5,223.37 is: 7,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,706.65 : 26,553.79 = 5,223.37 : x
  2. Step 2: Convert to fraction form
    17,706.65/26,553.79 = 5,223.37/x
  3. Step 3: Cross multiply
    17,706.65x = 26,553.79 × 5,223.37
  4. Step 4: Simplify right side
    17,706.65x = 138,700,143.83
  5. Step 5: Solve for x
    x = 138,700,143.83/17,706.65
  6. Step 6: Final answer
    x = 7,833.22

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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.