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Finding the Fourth Proportional to 12,208.35, 16,849.76 and 7,173.03

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Solution

The fourth proportional to 12,208.35, 16,849.76 and 7,173.03 is: 9,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.35 : 16,849.76 = 7,173.03 : x
  2. Step 2: Convert to fraction form
    12,208.35/16,849.76 = 7,173.03/x
  3. Step 3: Cross multiply
    12,208.35x = 16,849.76 × 7,173.03
  4. Step 4: Simplify right side
    12,208.35x = 120,863,798.11
  5. Step 5: Solve for x
    x = 120,863,798.11/12,208.35
  6. Step 6: Final answer
    x = 9,900.09

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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.