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Finding the Fourth Proportional to 8,393.04, 12,591.32 and 2,850.30

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Solution

The fourth proportional to 8,393.04, 12,591.32 and 2,850.30 is: 4,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.04 : 12,591.32 = 2,850.30 : x
  2. Step 2: Convert to fraction form
    8,393.04/12,591.32 = 2,850.30/x
  3. Step 3: Cross multiply
    8,393.04x = 12,591.32 × 2,850.30
  4. Step 4: Simplify right side
    8,393.04x = 35,889,025.14
  5. Step 5: Solve for x
    x = 35,889,025.14/8,393.04
  6. Step 6: Final answer
    x = 4,276.05

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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.