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Finding the Fourth Proportional to 6,266.40, 9,399.60 and 5,704.80

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Solution

The fourth proportional to 6,266.40, 9,399.60 and 5,704.80 is: 8,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,266.40 : 9,399.60 = 5,704.80 : x
  2. Step 2: Convert to fraction form
    6,266.40/9,399.60 = 5,704.80/x
  3. Step 3: Cross multiply
    6,266.40x = 9,399.60 × 5,704.80
  4. Step 4: Simplify right side
    6,266.40x = 53,622,838.08
  5. Step 5: Solve for x
    x = 53,622,838.08/6,266.40
  6. Step 6: Final answer
    x = 8,557.20

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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.