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Finding the Fourth Proportional to 18,012.25, 27,022.70 and 5,700.25

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Solution

The fourth proportional to 18,012.25, 27,022.70 and 5,700.25 is: 8,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.25 : 27,022.70 = 5,700.25 : x
  2. Step 2: Convert to fraction form
    18,012.25/27,022.70 = 5,700.25/x
  3. Step 3: Cross multiply
    18,012.25x = 27,022.70 × 5,700.25
  4. Step 4: Simplify right side
    18,012.25x = 154,036,145.68
  5. Step 5: Solve for x
    x = 154,036,145.68/18,012.25
  6. Step 6: Final answer
    x = 8,551.74

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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.