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Finding the Fourth Proportional to 12,650.99, 17,444.16 and 8,168.85

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Solution

The fourth proportional to 12,650.99, 17,444.16 and 8,168.85 is: 11,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.99 : 17,444.16 = 8,168.85 : x
  2. Step 2: Convert to fraction form
    12,650.99/17,444.16 = 8,168.85/x
  3. Step 3: Cross multiply
    12,650.99x = 17,444.16 × 8,168.85
  4. Step 4: Simplify right side
    12,650.99x = 142,498,726.42
  5. Step 5: Solve for x
    x = 142,498,726.42/12,650.99
  6. Step 6: Final answer
    x = 11,263.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.