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Finding the Fourth Proportional to 6,366.36, 9,483.90 and 6,172.91

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Solution

The fourth proportional to 6,366.36, 9,483.90 and 6,172.91 is: 9,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.36 : 9,483.90 = 6,172.91 : x
  2. Step 2: Convert to fraction form
    6,366.36/9,483.90 = 6,172.91/x
  3. Step 3: Cross multiply
    6,366.36x = 9,483.90 × 6,172.91
  4. Step 4: Simplify right side
    6,366.36x = 58,543,213.73
  5. Step 5: Solve for x
    x = 58,543,213.73/6,366.36
  6. Step 6: Final answer
    x = 9,195.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.