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Finding the Fourth Proportional to 6,200.40, 9,284.40 and 5,908.80

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Solution

The fourth proportional to 6,200.40, 9,284.40 and 5,908.80 is: 8,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.40 : 9,284.40 = 5,908.80 : x
  2. Step 2: Convert to fraction form
    6,200.40/9,284.40 = 5,908.80/x
  3. Step 3: Cross multiply
    6,200.40x = 9,284.40 × 5,908.80
  4. Step 4: Simplify right side
    6,200.40x = 54,859,662.72
  5. Step 5: Solve for x
    x = 54,859,662.72/6,200.40
  6. Step 6: Final answer
    x = 8,847.76

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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.