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Finding the Fourth Proportional to 6,964.38, 10,395.27 and 6,379.83

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Solution

The fourth proportional to 6,964.38, 10,395.27 and 6,379.83 is: 9,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.38 : 10,395.27 = 6,379.83 : x
  2. Step 2: Convert to fraction form
    6,964.38/10,395.27 = 6,379.83/x
  3. Step 3: Cross multiply
    6,964.38x = 10,395.27 × 6,379.83
  4. Step 4: Simplify right side
    6,964.38x = 66,320,055.40
  5. Step 5: Solve for x
    x = 66,320,055.40/6,964.38
  6. Step 6: Final answer
    x = 9,522.75

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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.