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Finding the Fourth Proportional to 18,327.94, 27,473.13 and 7,230.13

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Solution

The fourth proportional to 18,327.94, 27,473.13 and 7,230.13 is: 10,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.94 : 27,473.13 = 7,230.13 : x
  2. Step 2: Convert to fraction form
    18,327.94/27,473.13 = 7,230.13/x
  3. Step 3: Cross multiply
    18,327.94x = 27,473.13 × 7,230.13
  4. Step 4: Simplify right side
    18,327.94x = 198,634,301.41
  5. Step 5: Solve for x
    x = 198,634,301.41/18,327.94
  6. Step 6: Final answer
    x = 10,837.79

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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.