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Finding the Fourth Proportional to 18,252.16, 27,381.20 and 7,152.83

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Solution

The fourth proportional to 18,252.16, 27,381.20 and 7,152.83 is: 10,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252.16 : 27,381.20 = 7,152.83 : x
  2. Step 2: Convert to fraction form
    18,252.16/27,381.20 = 7,152.83/x
  3. Step 3: Cross multiply
    18,252.16x = 27,381.20 × 7,152.83
  4. Step 4: Simplify right side
    18,252.16x = 195,853,033.03
  5. Step 5: Solve for x
    x = 195,853,033.03/18,252.16
  6. Step 6: Final answer
    x = 10,730.40

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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.