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Finding the Fourth Proportional to 29,231.64, 43,847.85 and 8,170.46

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Solution

The fourth proportional to 29,231.64, 43,847.85 and 8,170.46 is: 12,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,231.64 : 43,847.85 = 8,170.46 : x
  2. Step 2: Convert to fraction form
    29,231.64/43,847.85 = 8,170.46/x
  3. Step 3: Cross multiply
    29,231.64x = 43,847.85 × 8,170.46
  4. Step 4: Simplify right side
    29,231.64x = 358,257,104.51
  5. Step 5: Solve for x
    x = 358,257,104.51/29,231.64
  6. Step 6: Final answer
    x = 12,255.80

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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.