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Finding the Fourth Proportional to 7,327.92, 10,992.18 and 2,133.80

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Solution

The fourth proportional to 7,327.92, 10,992.18 and 2,133.80 is: 3,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.92 : 10,992.18 = 2,133.80 : x
  2. Step 2: Convert to fraction form
    7,327.92/10,992.18 = 2,133.80/x
  3. Step 3: Cross multiply
    7,327.92x = 10,992.18 × 2,133.80
  4. Step 4: Simplify right side
    7,327.92x = 23,455,113.68
  5. Step 5: Solve for x
    x = 23,455,113.68/7,327.92
  6. Step 6: Final answer
    x = 3,200.79

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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.