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Finding the Fourth Proportional to 65,091.88, 89,824.74 and 36,795.88

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Solution

The fourth proportional to 65,091.88, 89,824.74 and 36,795.88 is: 50,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,091.88 : 89,824.74 = 36,795.88 : x
  2. Step 2: Convert to fraction form
    65,091.88/89,824.74 = 36,795.88/x
  3. Step 3: Cross multiply
    65,091.88x = 89,824.74 × 36,795.88
  4. Step 4: Simplify right side
    65,091.88x = 3,305,180,354.07
  5. Step 5: Solve for x
    x = 3,305,180,354.07/65,091.88
  6. Step 6: Final answer
    x = 50,777.15

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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.