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Finding the Fourth Proportional to 65,097.68, 89,836.32 and 36,805.04

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Solution

The fourth proportional to 65,097.68, 89,836.32 and 36,805.04 is: 50,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,097.68 : 89,836.32 = 36,805.04 : x
  2. Step 2: Convert to fraction form
    65,097.68/89,836.32 = 36,805.04/x
  3. Step 3: Cross multiply
    65,097.68x = 89,836.32 × 36,805.04
  4. Step 4: Simplify right side
    65,097.68x = 3,306,429,351.05
  5. Step 5: Solve for x
    x = 3,306,429,351.05/65,097.68
  6. Step 6: Final answer
    x = 50,791.82

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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.