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Finding the Fourth Proportional to 16,758.30, 25,131.54 and 4,908.81

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Solution

The fourth proportional to 16,758.30, 25,131.54 and 4,908.81 is: 7,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.30 : 25,131.54 = 4,908.81 : x
  2. Step 2: Convert to fraction form
    16,758.30/25,131.54 = 4,908.81/x
  3. Step 3: Cross multiply
    16,758.30x = 25,131.54 × 4,908.81
  4. Step 4: Simplify right side
    16,758.30x = 123,365,954.87
  5. Step 5: Solve for x
    x = 123,365,954.87/16,758.30
  6. Step 6: Final answer
    x = 7,361.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.