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Finding the Fourth Proportional to 33,356.70, 50,030.73 and 12,577.50

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Solution

The fourth proportional to 33,356.70, 50,030.73 and 12,577.50 is: 18,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,356.70 : 50,030.73 = 12,577.50 : x
  2. Step 2: Convert to fraction form
    33,356.70/50,030.73 = 12,577.50/x
  3. Step 3: Cross multiply
    33,356.70x = 50,030.73 × 12,577.50
  4. Step 4: Simplify right side
    33,356.70x = 629,261,506.58
  5. Step 5: Solve for x
    x = 629,261,506.58/33,356.70
  6. Step 6: Final answer
    x = 18,864.62

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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.