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Finding the Fourth Proportional to 18,468.41, 27,702.61 and 4,617.41

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Solution

The fourth proportional to 18,468.41, 27,702.61 and 4,617.41 is: 6,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.41 : 27,702.61 = 4,617.41 : x
  2. Step 2: Convert to fraction form
    18,468.41/27,702.61 = 4,617.41/x
  3. Step 3: Cross multiply
    18,468.41x = 27,702.61 × 4,617.41
  4. Step 4: Simplify right side
    18,468.41x = 127,914,204.56
  5. Step 5: Solve for x
    x = 127,914,204.56/18,468.41
  6. Step 6: Final answer
    x = 6,926.11

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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.