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Finding the Fourth Proportional to 28,799.63, 43,199.44 and 9,079.73

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Solution

The fourth proportional to 28,799.63, 43,199.44 and 9,079.73 is: 13,619.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.63 : 43,199.44 = 9,079.73 : x
  2. Step 2: Convert to fraction form
    28,799.63/43,199.44 = 9,079.73/x
  3. Step 3: Cross multiply
    28,799.63x = 43,199.44 × 9,079.73
  4. Step 4: Simplify right side
    28,799.63x = 392,238,989.96
  5. Step 5: Solve for x
    x = 392,238,989.96/28,799.63
  6. Step 6: Final answer
    x = 13,619.59

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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.