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Finding the Fourth Proportional to 8,044.96, 12,043.49 and 7,200.22

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Solution

The fourth proportional to 8,044.96, 12,043.49 and 7,200.22 is: 10,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,044.96 : 12,043.49 = 7,200.22 : x
  2. Step 2: Convert to fraction form
    8,044.96/12,043.49 = 7,200.22/x
  3. Step 3: Cross multiply
    8,044.96x = 12,043.49 × 7,200.22
  4. Step 4: Simplify right side
    8,044.96x = 86,715,777.57
  5. Step 5: Solve for x
    x = 86,715,777.57/8,044.96
  6. Step 6: Final answer
    x = 10,778.89

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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.