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Finding the Fourth Proportional to 29,171.49, 43,753.59 and 8,113.11

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Solution

The fourth proportional to 29,171.49, 43,753.59 and 8,113.11 is: 12,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,171.49 : 43,753.59 = 8,113.11 : x
  2. Step 2: Convert to fraction form
    29,171.49/43,753.59 = 8,113.11/x
  3. Step 3: Cross multiply
    29,171.49x = 43,753.59 × 8,113.11
  4. Step 4: Simplify right side
    29,171.49x = 354,977,688.56
  5. Step 5: Solve for x
    x = 354,977,688.56/29,171.49
  6. Step 6: Final answer
    x = 12,168.65

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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.