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Finding the Fourth Proportional to 18,059.86, 27,092.36 and 5,580.92

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Solution

The fourth proportional to 18,059.86, 27,092.36 and 5,580.92 is: 8,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059.86 : 27,092.36 = 5,580.92 : x
  2. Step 2: Convert to fraction form
    18,059.86/27,092.36 = 5,580.92/x
  3. Step 3: Cross multiply
    18,059.86x = 27,092.36 × 5,580.92
  4. Step 4: Simplify right side
    18,059.86x = 151,200,293.77
  5. Step 5: Solve for x
    x = 151,200,293.77/18,059.86
  6. Step 6: Final answer
    x = 8,372.17

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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.