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Finding the Fourth Proportional to 29,183.76, 43,775.80 and 8,407.76

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Solution

The fourth proportional to 29,183.76, 43,775.80 and 8,407.76 is: 12,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,183.76 : 43,775.80 = 8,407.76 : x
  2. Step 2: Convert to fraction form
    29,183.76/43,775.80 = 8,407.76/x
  3. Step 3: Cross multiply
    29,183.76x = 43,775.80 × 8,407.76
  4. Step 4: Simplify right side
    29,183.76x = 368,056,420.21
  5. Step 5: Solve for x
    x = 368,056,420.21/29,183.76
  6. Step 6: Final answer
    x = 12,611.69

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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.