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Finding the Fourth Proportional to 21,889.83, 32,837.99 and 8,037.75

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Solution

The fourth proportional to 21,889.83, 32,837.99 and 8,037.75 is: 12,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889.83 : 32,837.99 = 8,037.75 : x
  2. Step 2: Convert to fraction form
    21,889.83/32,837.99 = 8,037.75/x
  3. Step 3: Cross multiply
    21,889.83x = 32,837.99 × 8,037.75
  4. Step 4: Simplify right side
    21,889.83x = 263,943,513.93
  5. Step 5: Solve for x
    x = 263,943,513.93/21,889.83
  6. Step 6: Final answer
    x = 12,057.81

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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.