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Finding the Fourth Proportional to 7,199.85, 10,800.17 and 2,269.88

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Solution

The fourth proportional to 7,199.85, 10,800.17 and 2,269.88 is: 3,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.85 : 10,800.17 = 2,269.88 : x
  2. Step 2: Convert to fraction form
    7,199.85/10,800.17 = 2,269.88/x
  3. Step 3: Cross multiply
    7,199.85x = 10,800.17 × 2,269.88
  4. Step 4: Simplify right side
    7,199.85x = 24,515,089.88
  5. Step 5: Solve for x
    x = 24,515,089.88/7,199.85
  6. Step 6: Final answer
    x = 3,404.94

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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.