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Finding the Fourth Proportional to 4,819.62, 7,230.57 and 1,532.71

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Solution

The fourth proportional to 4,819.62, 7,230.57 and 1,532.71 is: 2,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.62 : 7,230.57 = 1,532.71 : x
  2. Step 2: Convert to fraction form
    4,819.62/7,230.57 = 1,532.71/x
  3. Step 3: Cross multiply
    4,819.62x = 7,230.57 × 1,532.71
  4. Step 4: Simplify right side
    4,819.62x = 11,082,366.94
  5. Step 5: Solve for x
    x = 11,082,366.94/4,819.62
  6. Step 6: Final answer
    x = 2,299.43

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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.