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Finding the Fourth Proportional to 32,951.87, 49,427.31 and 7,992.12

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Solution

The fourth proportional to 32,951.87, 49,427.31 and 7,992.12 is: 11,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,951.87 : 49,427.31 = 7,992.12 : x
  2. Step 2: Convert to fraction form
    32,951.87/49,427.31 = 7,992.12/x
  3. Step 3: Cross multiply
    32,951.87x = 49,427.31 × 7,992.12
  4. Step 4: Simplify right side
    32,951.87x = 395,028,992.80
  5. Step 5: Solve for x
    x = 395,028,992.80/32,951.87
  6. Step 6: Final answer
    x = 11,988.06

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1.5x scale

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.