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Finding the Fourth Proportional to 7,999.56, 11,999.52 and 2,453.04

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Solution

The fourth proportional to 7,999.56, 11,999.52 and 2,453.04 is: 3,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.56 : 11,999.52 = 2,453.04 : x
  2. Step 2: Convert to fraction form
    7,999.56/11,999.52 = 2,453.04/x
  3. Step 3: Cross multiply
    7,999.56x = 11,999.52 × 2,453.04
  4. Step 4: Simplify right side
    7,999.56x = 29,435,302.54
  5. Step 5: Solve for x
    x = 29,435,302.54/7,999.56
  6. Step 6: Final answer
    x = 3,679.62

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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.