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Finding the Fourth Proportional to 74,984.85, 112,479.30 and 32,843.25

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Solution

The fourth proportional to 74,984.85, 112,479.30 and 32,843.25 is: 49,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,984.85 : 112,479.30 = 32,843.25 : x
  2. Step 2: Convert to fraction form
    74,984.85/112,479.30 = 32,843.25/x
  3. Step 3: Cross multiply
    74,984.85x = 112,479.30 × 32,843.25
  4. Step 4: Simplify right side
    74,984.85x = 3,694,185,769.73
  5. Step 5: Solve for x
    x = 3,694,185,769.73/74,984.85
  6. Step 6: Final answer
    x = 49,265.76

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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.