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Finding the Fourth Proportional to 17,243.28, 23,795.17 and 9,689.93

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Solution

The fourth proportional to 17,243.28, 23,795.17 and 9,689.93 is: 13,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,243.28 : 23,795.17 = 9,689.93 : x
  2. Step 2: Convert to fraction form
    17,243.28/23,795.17 = 9,689.93/x
  3. Step 3: Cross multiply
    17,243.28x = 23,795.17 × 9,689.93
  4. Step 4: Simplify right side
    17,243.28x = 230,573,477.67
  5. Step 5: Solve for x
    x = 230,573,477.67/17,243.28
  6. Step 6: Final answer
    x = 13,371.79

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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.