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Finding the Fourth Proportional to 50,914.87, 76,372.86 and 15,376.49

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Solution

The fourth proportional to 50,914.87, 76,372.86 and 15,376.49 is: 23,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,914.87 : 76,372.86 = 15,376.49 : x
  2. Step 2: Convert to fraction form
    50,914.87/76,372.86 = 15,376.49/x
  3. Step 3: Cross multiply
    50,914.87x = 76,372.86 × 15,376.49
  4. Step 4: Simplify right side
    50,914.87x = 1,174,346,518.06
  5. Step 5: Solve for x
    x = 1,174,346,518.06/50,914.87
  6. Step 6: Final answer
    x = 23,064.90

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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.