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Finding the Fourth Proportional to 18,435.34, 27,654.43 and 6,591.62

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Solution

The fourth proportional to 18,435.34, 27,654.43 and 6,591.62 is: 9,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.34 : 27,654.43 = 6,591.62 : x
  2. Step 2: Convert to fraction form
    18,435.34/27,654.43 = 6,591.62/x
  3. Step 3: Cross multiply
    18,435.34x = 27,654.43 × 6,591.62
  4. Step 4: Simplify right side
    18,435.34x = 182,287,546.53
  5. Step 5: Solve for x
    x = 182,287,546.53/18,435.34
  6. Step 6: Final answer
    x = 9,887.94

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1.5x scale

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.