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Finding the Fourth Proportional to 8,000.52, 11,991.80 and 2,730.60

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Solution

The fourth proportional to 8,000.52, 11,991.80 and 2,730.60 is: 4,092.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.52 : 11,991.80 = 2,730.60 : x
  2. Step 2: Convert to fraction form
    8,000.52/11,991.80 = 2,730.60/x
  3. Step 3: Cross multiply
    8,000.52x = 11,991.80 × 2,730.60
  4. Step 4: Simplify right side
    8,000.52x = 32,744,809.08
  5. Step 5: Solve for x
    x = 32,744,809.08/8,000.52
  6. Step 6: Final answer
    x = 4,092.84

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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.