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Finding the Fourth Proportional to 6,266.70, 9,400.05 and 4,790.48

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Solution

The fourth proportional to 6,266.70, 9,400.05 and 4,790.48 is: 7,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,266.70 : 9,400.05 = 4,790.48 : x
  2. Step 2: Convert to fraction form
    6,266.70/9,400.05 = 4,790.48/x
  3. Step 3: Cross multiply
    6,266.70x = 9,400.05 × 4,790.48
  4. Step 4: Simplify right side
    6,266.70x = 45,030,704.52
  5. Step 5: Solve for x
    x = 45,030,704.52/6,266.70
  6. Step 6: Final answer
    x = 7,185.71

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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.