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Finding the Fourth Proportional to 18,632.94, 27,951.30 and 6,153

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Solution

The fourth proportional to 18,632.94, 27,951.30 and 6,153 is: 9,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.94 : 27,951.30 = 6,153 : x
  2. Step 2: Convert to fraction form
    18,632.94/27,951.30 = 6,153/x
  3. Step 3: Cross multiply
    18,632.94x = 27,951.30 × 6,153
  4. Step 4: Simplify right side
    18,632.94x = 171,984,348.90
  5. Step 5: Solve for x
    x = 171,984,348.90/18,632.94
  6. Step 6: Final answer
    x = 9,230.12

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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.