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Finding the Fourth Proportional to 8,383.99, 12,575.96 and 2,144.00

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Solution

The fourth proportional to 8,383.99, 12,575.96 and 2,144.00 is: 3,216.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.99 : 12,575.96 = 2,144.00 : x
  2. Step 2: Convert to fraction form
    8,383.99/12,575.96 = 2,144.00/x
  3. Step 3: Cross multiply
    8,383.99x = 12,575.96 × 2,144.00
  4. Step 4: Simplify right side
    8,383.99x = 26,962,878.96
  5. Step 5: Solve for x
    x = 26,962,878.96/8,383.99
  6. Step 6: Final answer
    x = 3,216.00

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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.