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Finding the Fourth Proportional to 49,773.88, 74,659.91 and 12,334.05

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Solution

The fourth proportional to 49,773.88, 74,659.91 and 12,334.05 is: 18,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,773.88 : 74,659.91 = 12,334.05 : x
  2. Step 2: Convert to fraction form
    49,773.88/74,659.91 = 12,334.05/x
  3. Step 3: Cross multiply
    49,773.88x = 74,659.91 × 12,334.05
  4. Step 4: Simplify right side
    49,773.88x = 920,859,062.94
  5. Step 5: Solve for x
    x = 920,859,062.94/49,773.88
  6. Step 6: Final answer
    x = 18,500.85

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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.