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Finding the Fourth Proportional to 65,049.06, 89,769.06 and 36,755.40

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Solution

The fourth proportional to 65,049.06, 89,769.06 and 36,755.40 is: 50,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,049.06 : 89,769.06 = 36,755.40 : x
  2. Step 2: Convert to fraction form
    65,049.06/89,769.06 = 36,755.40/x
  3. Step 3: Cross multiply
    65,049.06x = 89,769.06 × 36,755.40
  4. Step 4: Simplify right side
    65,049.06x = 3,299,497,707.92
  5. Step 5: Solve for x
    x = 3,299,497,707.92/65,049.06
  6. Step 6: Final answer
    x = 50,723.22

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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.