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Finding the Fourth Proportional to 17,676.92, 26,620.61 and 15,395.96

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Solution

The fourth proportional to 17,676.92, 26,620.61 and 15,395.96 is: 23,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,676.92 : 26,620.61 = 15,395.96 : x
  2. Step 2: Convert to fraction form
    17,676.92/26,620.61 = 15,395.96/x
  3. Step 3: Cross multiply
    17,676.92x = 26,620.61 × 15,395.96
  4. Step 4: Simplify right side
    17,676.92x = 409,849,846.74
  5. Step 5: Solve for x
    x = 409,849,846.74/17,676.92
  6. Step 6: Final answer
    x = 23,185.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.