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Finding the Fourth Proportional to 16,789.19, 25,185.20 and 5,102.51

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Solution

The fourth proportional to 16,789.19, 25,185.20 and 5,102.51 is: 7,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.19 : 25,185.20 = 5,102.51 : x
  2. Step 2: Convert to fraction form
    16,789.19/25,185.20 = 5,102.51/x
  3. Step 3: Cross multiply
    16,789.19x = 25,185.20 × 5,102.51
  4. Step 4: Simplify right side
    16,789.19x = 128,507,583.41
  5. Step 5: Solve for x
    x = 128,507,583.41/16,789.19
  6. Step 6: Final answer
    x = 7,654.19

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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.