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Finding the Fourth Proportional to 17,955.66, 26,943.52 and 10,467.92

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Solution

The fourth proportional to 17,955.66, 26,943.52 and 10,467.92 is: 15,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.66 : 26,943.52 = 10,467.92 : x
  2. Step 2: Convert to fraction form
    17,955.66/26,943.52 = 10,467.92/x
  3. Step 3: Cross multiply
    17,955.66x = 26,943.52 × 10,467.92
  4. Step 4: Simplify right side
    17,955.66x = 282,042,611.88
  5. Step 5: Solve for x
    x = 282,042,611.88/17,955.66
  6. Step 6: Final answer
    x = 15,707.73

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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.