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Finding the Fourth Proportional to 18,574.31, 27,860.48 and 6,092.69

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Solution

The fourth proportional to 18,574.31, 27,860.48 and 6,092.69 is: 9,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.31 : 27,860.48 = 6,092.69 : x
  2. Step 2: Convert to fraction form
    18,574.31/27,860.48 = 6,092.69/x
  3. Step 3: Cross multiply
    18,574.31x = 27,860.48 × 6,092.69
  4. Step 4: Simplify right side
    18,574.31x = 169,745,128.59
  5. Step 5: Solve for x
    x = 169,745,128.59/18,574.31
  6. Step 6: Final answer
    x = 9,138.71

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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.