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Finding the Fourth Proportional to 13,201.02, 18,217.73 and 7,232.69

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Solution

The fourth proportional to 13,201.02, 18,217.73 and 7,232.69 is: 9,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.02 : 18,217.73 = 7,232.69 : x
  2. Step 2: Convert to fraction form
    13,201.02/18,217.73 = 7,232.69/x
  3. Step 3: Cross multiply
    13,201.02x = 18,217.73 × 7,232.69
  4. Step 4: Simplify right side
    13,201.02x = 131,763,066.34
  5. Step 5: Solve for x
    x = 131,763,066.34/13,201.02
  6. Step 6: Final answer
    x = 9,981.28

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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.