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Finding the Fourth Proportional to 65,943.98, 98,874.33 and 36,382.41

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Solution

The fourth proportional to 65,943.98, 98,874.33 and 36,382.41 is: 54,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,943.98 : 98,874.33 = 36,382.41 : x
  2. Step 2: Convert to fraction form
    65,943.98/98,874.33 = 36,382.41/x
  3. Step 3: Cross multiply
    65,943.98x = 98,874.33 × 36,382.41
  4. Step 4: Simplify right side
    65,943.98x = 3,597,286,412.54
  5. Step 5: Solve for x
    x = 3,597,286,412.54/65,943.98
  6. Step 6: Final answer
    x = 54,550.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.