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Finding the Fourth Proportional to 7,200.09, 10,800.54 and 2,269.62

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Solution

The fourth proportional to 7,200.09, 10,800.54 and 2,269.62 is: 3,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.09 : 10,800.54 = 2,269.62 : x
  2. Step 2: Convert to fraction form
    7,200.09/10,800.54 = 2,269.62/x
  3. Step 3: Cross multiply
    7,200.09x = 10,800.54 × 2,269.62
  4. Step 4: Simplify right side
    7,200.09x = 24,513,121.59
  5. Step 5: Solve for x
    x = 24,513,121.59/7,200.09
  6. Step 6: Final answer
    x = 3,404.56

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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.