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Finding the Fourth Proportional to 49,135, 67,806.24 and 26,779

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Solution

The fourth proportional to 49,135, 67,806.24 and 26,779 is: 36,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,135 : 67,806.24 = 26,779 : x
  2. Step 2: Convert to fraction form
    49,135/67,806.24 = 26,779/x
  3. Step 3: Cross multiply
    49,135x = 67,806.24 × 26,779
  4. Step 4: Simplify right side
    49,135x = 1,815,783,300.96
  5. Step 5: Solve for x
    x = 1,815,783,300.96/49,135
  6. Step 6: Final answer
    x = 36,954.99

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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.