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Finding the Fourth Proportional to 18,592.94, 27,887.36 and 5,445.44

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Solution

The fourth proportional to 18,592.94, 27,887.36 and 5,445.44 is: 8,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.94 : 27,887.36 = 5,445.44 : x
  2. Step 2: Convert to fraction form
    18,592.94/27,887.36 = 5,445.44/x
  3. Step 3: Cross multiply
    18,592.94x = 27,887.36 × 5,445.44
  4. Step 4: Simplify right side
    18,592.94x = 151,858,945.64
  5. Step 5: Solve for x
    x = 151,858,945.64/18,592.94
  6. Step 6: Final answer
    x = 8,167.56

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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.