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Finding the Fourth Proportional to 18,552.16, 27,835.08 and 8,694.64

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Solution

The fourth proportional to 18,552.16, 27,835.08 and 8,694.64 is: 13,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.16 : 27,835.08 = 8,694.64 : x
  2. Step 2: Convert to fraction form
    18,552.16/27,835.08 = 8,694.64/x
  3. Step 3: Cross multiply
    18,552.16x = 27,835.08 × 8,694.64
  4. Step 4: Simplify right side
    18,552.16x = 242,015,999.97
  5. Step 5: Solve for x
    x = 242,015,999.97/18,552.16
  6. Step 6: Final answer
    x = 13,045.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.