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Finding the Fourth Proportional to 12,563.67, 18,842.46 and 3,799.29

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Solution

The fourth proportional to 12,563.67, 18,842.46 and 3,799.29 is: 5,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.67 : 18,842.46 = 3,799.29 : x
  2. Step 2: Convert to fraction form
    12,563.67/18,842.46 = 3,799.29/x
  3. Step 3: Cross multiply
    12,563.67x = 18,842.46 × 3,799.29
  4. Step 4: Simplify right side
    12,563.67x = 71,587,969.85
  5. Step 5: Solve for x
    x = 71,587,969.85/12,563.67
  6. Step 6: Final answer
    x = 5,698.01

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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.