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Finding the Fourth Proportional to 32,680.45, 49,028.87 and 9,306.88

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Solution

The fourth proportional to 32,680.45, 49,028.87 and 9,306.88 is: 13,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,680.45 : 49,028.87 = 9,306.88 : x
  2. Step 2: Convert to fraction form
    32,680.45/49,028.87 = 9,306.88/x
  3. Step 3: Cross multiply
    32,680.45x = 49,028.87 × 9,306.88
  4. Step 4: Simplify right side
    32,680.45x = 456,305,517.95
  5. Step 5: Solve for x
    x = 456,305,517.95/32,680.45
  6. Step 6: Final answer
    x = 13,962.65

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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.