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Finding the Fourth Proportional to 12,754.68, 17,601.44 and 7,089.25

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Solution

The fourth proportional to 12,754.68, 17,601.44 and 7,089.25 is: 9,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.68 : 17,601.44 = 7,089.25 : x
  2. Step 2: Convert to fraction form
    12,754.68/17,601.44 = 7,089.25/x
  3. Step 3: Cross multiply
    12,754.68x = 17,601.44 × 7,089.25
  4. Step 4: Simplify right side
    12,754.68x = 124,780,942.48
  5. Step 5: Solve for x
    x = 124,780,942.48/12,754.68
  6. Step 6: Final answer
    x = 9,783.15

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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.