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Finding the Fourth Proportional to 7,992.60, 11,992.02 and 5,073.24

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Solution

The fourth proportional to 7,992.60, 11,992.02 and 5,073.24 is: 7,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.60 : 11,992.02 = 5,073.24 : x
  2. Step 2: Convert to fraction form
    7,992.60/11,992.02 = 5,073.24/x
  3. Step 3: Cross multiply
    7,992.60x = 11,992.02 × 5,073.24
  4. Step 4: Simplify right side
    7,992.60x = 60,838,395.54
  5. Step 5: Solve for x
    x = 60,838,395.54/7,992.60
  6. Step 6: Final answer
    x = 7,611.84

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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.