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Finding the Fourth Proportional to 29,266.36, 43,891.71 and 8,205.19

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Solution

The fourth proportional to 29,266.36, 43,891.71 and 8,205.19 is: 12,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266.36 : 43,891.71 = 8,205.19 : x
  2. Step 2: Convert to fraction form
    29,266.36/43,891.71 = 8,205.19/x
  3. Step 3: Cross multiply
    29,266.36x = 43,891.71 × 8,205.19
  4. Step 4: Simplify right side
    29,266.36x = 360,139,819.97
  5. Step 5: Solve for x
    x = 360,139,819.97/29,266.36
  6. Step 6: Final answer
    x = 12,305.59

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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.