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Finding the Fourth Proportional to 12,200.59, 18,304.53 and 6,361.30

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Solution

The fourth proportional to 12,200.59, 18,304.53 and 6,361.30 is: 9,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.59 : 18,304.53 = 6,361.30 : x
  2. Step 2: Convert to fraction form
    12,200.59/18,304.53 = 6,361.30/x
  3. Step 3: Cross multiply
    12,200.59x = 18,304.53 × 6,361.30
  4. Step 4: Simplify right side
    12,200.59x = 116,440,606.69
  5. Step 5: Solve for x
    x = 116,440,606.69/12,200.59
  6. Step 6: Final answer
    x = 9,543.85

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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.