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Finding the Fourth Proportional to 8,399.44, 12,599.14 and 4,015.88

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Solution

The fourth proportional to 8,399.44, 12,599.14 and 4,015.88 is: 6,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.44 : 12,599.14 = 4,015.88 : x
  2. Step 2: Convert to fraction form
    8,399.44/12,599.14 = 4,015.88/x
  3. Step 3: Cross multiply
    8,399.44x = 12,599.14 × 4,015.88
  4. Step 4: Simplify right side
    8,399.44x = 50,596,551.27
  5. Step 5: Solve for x
    x = 50,596,551.27/8,399.44
  6. Step 6: Final answer
    x = 6,023.80

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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.