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Finding the Fourth Proportional to 29,170.59, 43,748.59 and 8,394.09

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Solution

The fourth proportional to 29,170.59, 43,748.59 and 8,394.09 is: 12,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,170.59 : 43,748.59 = 8,394.09 : x
  2. Step 2: Convert to fraction form
    29,170.59/43,748.59 = 8,394.09/x
  3. Step 3: Cross multiply
    29,170.59x = 43,748.59 × 8,394.09
  4. Step 4: Simplify right side
    29,170.59x = 367,229,601.83
  5. Step 5: Solve for x
    x = 367,229,601.83/29,170.59
  6. Step 6: Final answer
    x = 12,589.04

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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.