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Finding the Fourth Proportional to 18,573.81, 27,859.73 and 6,092.19

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Solution

The fourth proportional to 18,573.81, 27,859.73 and 6,092.19 is: 9,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.81 : 27,859.73 = 6,092.19 : x
  2. Step 2: Convert to fraction form
    18,573.81/27,859.73 = 6,092.19/x
  3. Step 3: Cross multiply
    18,573.81x = 27,859.73 × 6,092.19
  4. Step 4: Simplify right side
    18,573.81x = 169,726,693.96
  5. Step 5: Solve for x
    x = 169,726,693.96/18,573.81
  6. Step 6: Final answer
    x = 9,137.96

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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.