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Finding the Fourth Proportional to 50,808.92, 70,127.97 and 33,813.87

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Solution

The fourth proportional to 50,808.92, 70,127.97 and 33,813.87 is: 46,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,808.92 : 70,127.97 = 33,813.87 : x
  2. Step 2: Convert to fraction form
    50,808.92/70,127.97 = 33,813.87/x
  3. Step 3: Cross multiply
    50,808.92x = 70,127.97 × 33,813.87
  4. Step 4: Simplify right side
    50,808.92x = 2,371,297,891.87
  5. Step 5: Solve for x
    x = 2,371,297,891.87/50,808.92
  6. Step 6: Final answer
    x = 46,670.90

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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.