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Finding the Fourth Proportional to 18,059.84, 27,092.36 and 5,580.96

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Solution

The fourth proportional to 18,059.84, 27,092.36 and 5,580.96 is: 8,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059.84 : 27,092.36 = 5,580.96 : x
  2. Step 2: Convert to fraction form
    18,059.84/27,092.36 = 5,580.96/x
  3. Step 3: Cross multiply
    18,059.84x = 27,092.36 × 5,580.96
  4. Step 4: Simplify right side
    18,059.84x = 151,201,377.47
  5. Step 5: Solve for x
    x = 151,201,377.47/18,059.84
  6. Step 6: Final answer
    x = 8,372.24

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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.