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Finding the Fourth Proportional to 12,061.53, 18,089.92 and 3,294.36

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Solution

The fourth proportional to 12,061.53, 18,089.92 and 3,294.36 is: 4,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061.53 : 18,089.92 = 3,294.36 : x
  2. Step 2: Convert to fraction form
    12,061.53/18,089.92 = 3,294.36/x
  3. Step 3: Cross multiply
    12,061.53x = 18,089.92 × 3,294.36
  4. Step 4: Simplify right side
    12,061.53x = 59,594,708.85
  5. Step 5: Solve for x
    x = 59,594,708.85/12,061.53
  6. Step 6: Final answer
    x = 4,940.89

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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.