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Finding the Fourth Proportional to 2,683.50, 4,025.06 and 834.68

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Solution

The fourth proportional to 2,683.50, 4,025.06 and 834.68 is: 1,251.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.50 : 4,025.06 = 834.68 : x
  2. Step 2: Convert to fraction form
    2,683.50/4,025.06 = 834.68/x
  3. Step 3: Cross multiply
    2,683.50x = 4,025.06 × 834.68
  4. Step 4: Simplify right side
    2,683.50x = 3,359,637.08
  5. Step 5: Solve for x
    x = 3,359,637.08/2,683.50
  6. Step 6: Final answer
    x = 1,251.96

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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.