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Finding the Fourth Proportional to 20,634.39, 30,956.82 and 9,549.06

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Solution

The fourth proportional to 20,634.39, 30,956.82 and 9,549.06 is: 14,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.39 : 30,956.82 = 9,549.06 : x
  2. Step 2: Convert to fraction form
    20,634.39/30,956.82 = 9,549.06/x
  3. Step 3: Cross multiply
    20,634.39x = 30,956.82 × 9,549.06
  4. Step 4: Simplify right side
    20,634.39x = 295,608,531.59
  5. Step 5: Solve for x
    x = 295,608,531.59/20,634.39
  6. Step 6: Final answer
    x = 14,326.01

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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.