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Finding the Fourth Proportional to 18,453.42, 27,693.57 and 7,363.29

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Solution

The fourth proportional to 18,453.42, 27,693.57 and 7,363.29 is: 11,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.42 : 27,693.57 = 7,363.29 : x
  2. Step 2: Convert to fraction form
    18,453.42/27,693.57 = 7,363.29/x
  3. Step 3: Cross multiply
    18,453.42x = 27,693.57 × 7,363.29
  4. Step 4: Simplify right side
    18,453.42x = 203,915,787.05
  5. Step 5: Solve for x
    x = 203,915,787.05/18,453.42
  6. Step 6: Final answer
    x = 11,050.30

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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.