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Finding the Fourth Proportional to 18,229.66, 27,346.77 and 7,134.92

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Solution

The fourth proportional to 18,229.66, 27,346.77 and 7,134.92 is: 10,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.66 : 27,346.77 = 7,134.92 : x
  2. Step 2: Convert to fraction form
    18,229.66/27,346.77 = 7,134.92/x
  3. Step 3: Cross multiply
    18,229.66x = 27,346.77 × 7,134.92
  4. Step 4: Simplify right side
    18,229.66x = 195,117,016.21
  5. Step 5: Solve for x
    x = 195,117,016.21/18,229.66
  6. Step 6: Final answer
    x = 10,703.27

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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.