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Finding the Fourth Proportional to 50,751.84, 69,991.26 and 43,579.50

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Solution

The fourth proportional to 50,751.84, 69,991.26 and 43,579.50 is: 60,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,751.84 : 69,991.26 = 43,579.50 : x
  2. Step 2: Convert to fraction form
    50,751.84/69,991.26 = 43,579.50/x
  3. Step 3: Cross multiply
    50,751.84x = 69,991.26 × 43,579.50
  4. Step 4: Simplify right side
    50,751.84x = 3,050,184,115.17
  5. Step 5: Solve for x
    x = 3,050,184,115.17/50,751.84
  6. Step 6: Final answer
    x = 60,099.97

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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.