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Finding the Fourth Proportional to 7,324.60, 10,986.90 and 6,233.80

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Solution

The fourth proportional to 7,324.60, 10,986.90 and 6,233.80 is: 9,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.60 : 10,986.90 = 6,233.80 : x
  2. Step 2: Convert to fraction form
    7,324.60/10,986.90 = 6,233.80/x
  3. Step 3: Cross multiply
    7,324.60x = 10,986.90 × 6,233.80
  4. Step 4: Simplify right side
    7,324.60x = 68,490,137.22
  5. Step 5: Solve for x
    x = 68,490,137.22/7,324.60
  6. Step 6: Final answer
    x = 9,350.70

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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.