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Finding the Fourth Proportional to 7,322.80, 10,992.30 and 4,552.60

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Solution

The fourth proportional to 7,322.80, 10,992.30 and 4,552.60 is: 6,833.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.80 : 10,992.30 = 4,552.60 : x
  2. Step 2: Convert to fraction form
    7,322.80/10,992.30 = 4,552.60/x
  3. Step 3: Cross multiply
    7,322.80x = 10,992.30 × 4,552.60
  4. Step 4: Simplify right side
    7,322.80x = 50,043,544.98
  5. Step 5: Solve for x
    x = 50,043,544.98/7,322.80
  6. Step 6: Final answer
    x = 6,833.94

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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.