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Finding the Fourth Proportional to 34,392.86, 51,604.11 and 18,609

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Solution

The fourth proportional to 34,392.86, 51,604.11 and 18,609 is: 27,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,392.86 : 51,604.11 = 18,609 : x
  2. Step 2: Convert to fraction form
    34,392.86/51,604.11 = 18,609/x
  3. Step 3: Cross multiply
    34,392.86x = 51,604.11 × 18,609
  4. Step 4: Simplify right side
    34,392.86x = 960,300,882.99
  5. Step 5: Solve for x
    x = 960,300,882.99/34,392.86
  6. Step 6: Final answer
    x = 27,921.52

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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.