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Finding the Fourth Proportional to 36,530.39, 50,411.90 and 19,763.39

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Solution

The fourth proportional to 36,530.39, 50,411.90 and 19,763.39 is: 27,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,530.39 : 50,411.90 = 19,763.39 : x
  2. Step 2: Convert to fraction form
    36,530.39/50,411.90 = 19,763.39/x
  3. Step 3: Cross multiply
    36,530.39x = 50,411.90 × 19,763.39
  4. Step 4: Simplify right side
    36,530.39x = 996,310,215.78
  5. Step 5: Solve for x
    x = 996,310,215.78/36,530.39
  6. Step 6: Final answer
    x = 27,273.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.