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Finding the Fourth Proportional to 49,107.76, 67,768.72 and 26,751.76

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Solution

The fourth proportional to 49,107.76, 67,768.72 and 26,751.76 is: 36,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,107.76 : 67,768.72 = 26,751.76 : x
  2. Step 2: Convert to fraction form
    49,107.76/67,768.72 = 26,751.76/x
  3. Step 3: Cross multiply
    49,107.76x = 67,768.72 × 26,751.76
  4. Step 4: Simplify right side
    49,107.76x = 1,812,932,532.95
  5. Step 5: Solve for x
    x = 1,812,932,532.95/49,107.76
  6. Step 6: Final answer
    x = 36,917.43

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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.