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Finding the Fourth Proportional to 65,382.75, 98,074.12 and 18,634.41

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Solution

The fourth proportional to 65,382.75, 98,074.12 and 18,634.41 is: 27,951.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,382.75 : 98,074.12 = 18,634.41 : x
  2. Step 2: Convert to fraction form
    65,382.75/98,074.12 = 18,634.41/x
  3. Step 3: Cross multiply
    65,382.75x = 98,074.12 × 18,634.41
  4. Step 4: Simplify right side
    65,382.75x = 1,827,553,362.47
  5. Step 5: Solve for x
    x = 1,827,553,362.47/65,382.75
  6. Step 6: Final answer
    x = 27,951.61

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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.