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Finding the Fourth Proportional to 5,999.74, 8,999.62 and 2,103.22

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Solution

The fourth proportional to 5,999.74, 8,999.62 and 2,103.22 is: 3,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.74 : 8,999.62 = 2,103.22 : x
  2. Step 2: Convert to fraction form
    5,999.74/8,999.62 = 2,103.22/x
  3. Step 3: Cross multiply
    5,999.74x = 8,999.62 × 2,103.22
  4. Step 4: Simplify right side
    5,999.74x = 18,928,180.78
  5. Step 5: Solve for x
    x = 18,928,180.78/5,999.74
  6. Step 6: Final answer
    x = 3,154.83

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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.