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Finding the Fourth Proportional to 18,069.85, 27,100.41 and 4,922.29

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Solution

The fourth proportional to 18,069.85, 27,100.41 and 4,922.29 is: 7,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.85 : 27,100.41 = 4,922.29 : x
  2. Step 2: Convert to fraction form
    18,069.85/27,100.41 = 4,922.29/x
  3. Step 3: Cross multiply
    18,069.85x = 27,100.41 × 4,922.29
  4. Step 4: Simplify right side
    18,069.85x = 133,396,077.14
  5. Step 5: Solve for x
    x = 133,396,077.14/18,069.85
  6. Step 6: Final answer
    x = 7,382.25

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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.