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Finding the Fourth Proportional to 18,376.36, 27,539.94 and 9,002.03

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Solution

The fourth proportional to 18,376.36, 27,539.94 and 9,002.03 is: 13,490.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.36 : 27,539.94 = 9,002.03 : x
  2. Step 2: Convert to fraction form
    18,376.36/27,539.94 = 9,002.03/x
  3. Step 3: Cross multiply
    18,376.36x = 27,539.94 × 9,002.03
  4. Step 4: Simplify right side
    18,376.36x = 247,915,366.08
  5. Step 5: Solve for x
    x = 247,915,366.08/18,376.36
  6. Step 6: Final answer
    x = 13,490.99

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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.