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Finding the Fourth Proportional to 29,073.20, 43,609.80 and 8,296.70

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Solution

The fourth proportional to 29,073.20, 43,609.80 and 8,296.70 is: 12,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,073.20 : 43,609.80 = 8,296.70 : x
  2. Step 2: Convert to fraction form
    29,073.20/43,609.80 = 8,296.70/x
  3. Step 3: Cross multiply
    29,073.20x = 43,609.80 × 8,296.70
  4. Step 4: Simplify right side
    29,073.20x = 361,817,427.66
  5. Step 5: Solve for x
    x = 361,817,427.66/29,073.20
  6. Step 6: Final answer
    x = 12,445.05

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Similar ratio
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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.