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Finding the Fourth Proportional to 23,371.81, 35,057.72 and 7,789.44

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Solution

The fourth proportional to 23,371.81, 35,057.72 and 7,789.44 is: 11,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,371.81 : 35,057.72 = 7,789.44 : x
  2. Step 2: Convert to fraction form
    23,371.81/35,057.72 = 7,789.44/x
  3. Step 3: Cross multiply
    23,371.81x = 35,057.72 × 7,789.44
  4. Step 4: Simplify right side
    23,371.81x = 273,080,006.48
  5. Step 5: Solve for x
    x = 273,080,006.48/23,371.81
  6. Step 6: Final answer
    x = 11,684.16

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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.