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Finding the Fourth Proportional to 34,673.40, 47,849.22 and 18,757.80

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Solution

The fourth proportional to 34,673.40, 47,849.22 and 18,757.80 is: 25,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,673.40 : 47,849.22 = 18,757.80 : x
  2. Step 2: Convert to fraction form
    34,673.40/47,849.22 = 18,757.80/x
  3. Step 3: Cross multiply
    34,673.40x = 47,849.22 × 18,757.80
  4. Step 4: Simplify right side
    34,673.40x = 897,546,098.92
  5. Step 5: Solve for x
    x = 897,546,098.92/34,673.40
  6. Step 6: Final answer
    x = 25,885.73

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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.