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Finding the Fourth Proportional to 65,194.74, 89,961.29 and 36,510.41

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Solution

The fourth proportional to 65,194.74, 89,961.29 and 36,510.41 is: 50,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,194.74 : 89,961.29 = 36,510.41 : x
  2. Step 2: Convert to fraction form
    65,194.74/89,961.29 = 36,510.41/x
  3. Step 3: Cross multiply
    65,194.74x = 89,961.29 × 36,510.41
  4. Step 4: Simplify right side
    65,194.74x = 3,284,523,582.03
  5. Step 5: Solve for x
    x = 3,284,523,582.03/65,194.74
  6. Step 6: Final answer
    x = 50,380.19

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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.