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Finding the Fourth Proportional to 36,718.89, 50,671.86 and 19,951.89

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Solution

The fourth proportional to 36,718.89, 50,671.86 and 19,951.89 is: 27,533.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,718.89 : 50,671.86 = 19,951.89 : x
  2. Step 2: Convert to fraction form
    36,718.89/50,671.86 = 19,951.89/x
  3. Step 3: Cross multiply
    36,718.89x = 50,671.86 × 19,951.89
  4. Step 4: Simplify right side
    36,718.89x = 1,010,999,376.82
  5. Step 5: Solve for x
    x = 1,010,999,376.82/36,718.89
  6. Step 6: Final answer
    x = 27,533.50

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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.