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Finding the Fourth Proportional to 29,228.70, 43,850.25 and 8,454.30

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Solution

The fourth proportional to 29,228.70, 43,850.25 and 8,454.30 is: 12,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,228.70 : 43,850.25 = 8,454.30 : x
  2. Step 2: Convert to fraction form
    29,228.70/43,850.25 = 8,454.30/x
  3. Step 3: Cross multiply
    29,228.70x = 43,850.25 × 8,454.30
  4. Step 4: Simplify right side
    29,228.70x = 370,723,168.58
  5. Step 5: Solve for x
    x = 370,723,168.58/29,228.70
  6. Step 6: Final answer
    x = 12,683.53

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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.