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Finding the Fourth Proportional to 5,736.60, 8,604.90 and 5,517.90

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Solution

The fourth proportional to 5,736.60, 8,604.90 and 5,517.90 is: 8,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.60 : 8,604.90 = 5,517.90 : x
  2. Step 2: Convert to fraction form
    5,736.60/8,604.90 = 5,517.90/x
  3. Step 3: Cross multiply
    5,736.60x = 8,604.90 × 5,517.90
  4. Step 4: Simplify right side
    5,736.60x = 47,480,977.71
  5. Step 5: Solve for x
    x = 47,480,977.71/5,736.60
  6. Step 6: Final answer
    x = 8,276.85

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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.