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Finding the Fourth Proportional to 3,299.26, 4,949.06 and 834.10

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Solution

The fourth proportional to 3,299.26, 4,949.06 and 834.10 is: 1,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.26 : 4,949.06 = 834.10 : x
  2. Step 2: Convert to fraction form
    3,299.26/4,949.06 = 834.10/x
  3. Step 3: Cross multiply
    3,299.26x = 4,949.06 × 834.10
  4. Step 4: Simplify right side
    3,299.26x = 4,128,006.81
  5. Step 5: Solve for x
    x = 4,128,006.81/3,299.26
  6. Step 6: Final answer
    x = 1,251.19

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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.