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Finding the Fourth Proportional to 18,468, 27,701.73 and 8,601.75

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Solution

The fourth proportional to 18,468, 27,701.73 and 8,601.75 is: 12,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468 : 27,701.73 = 8,601.75 : x
  2. Step 2: Convert to fraction form
    18,468/27,701.73 = 8,601.75/x
  3. Step 3: Cross multiply
    18,468x = 27,701.73 × 8,601.75
  4. Step 4: Simplify right side
    18,468x = 238,283,356.03
  5. Step 5: Solve for x
    x = 238,283,356.03/18,468
  6. Step 6: Final answer
    x = 12,902.50

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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.