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Finding the Fourth Proportional to 17,836.40, 26,703.40 and 17,324.40

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Solution

The fourth proportional to 17,836.40, 26,703.40 and 17,324.40 is: 25,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,836.40 : 26,703.40 = 17,324.40 : x
  2. Step 2: Convert to fraction form
    17,836.40/26,703.40 = 17,324.40/x
  3. Step 3: Cross multiply
    17,836.40x = 26,703.40 × 17,324.40
  4. Step 4: Simplify right side
    17,836.40x = 462,620,382.96
  5. Step 5: Solve for x
    x = 462,620,382.96/17,836.40
  6. Step 6: Final answer
    x = 25,936.87

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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.