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Finding the Fourth Proportional to 4,819.74, 6,651.19 and 2,611.74

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Solution

The fourth proportional to 4,819.74, 6,651.19 and 2,611.74 is: 3,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.74 : 6,651.19 = 2,611.74 : x
  2. Step 2: Convert to fraction form
    4,819.74/6,651.19 = 2,611.74/x
  3. Step 3: Cross multiply
    4,819.74x = 6,651.19 × 2,611.74
  4. Step 4: Simplify right side
    4,819.74x = 17,371,178.97
  5. Step 5: Solve for x
    x = 17,371,178.97/4,819.74
  6. Step 6: Final answer
    x = 3,604.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.