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Finding the Fourth Proportional to 17,647,809.24, 26,390,446.02 and 16,786,874.28

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Solution

The fourth proportional to 17,647,809.24, 26,390,446.02 and 16,786,874.28 is: 25,103,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647,809.24 : 26,390,446.02 = 16,786,874.28 : x
  2. Step 2: Convert to fraction form
    17,647,809.24/26,390,446.02 = 16,786,874.28/x
  3. Step 3: Cross multiply
    17,647,809.24x = 26,390,446.02 × 16,786,874.28
  4. Step 4: Simplify right side
    17,647,809.24x = 443,013,099,530,866.38
  5. Step 5: Solve for x
    x = 443,013,099,530,866.38/17,647,809.24
  6. Step 6: Final answer
    x = 25,103,008.17

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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.