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Finding the Fourth Proportional to 6,330.27, 8,736.46 and 3,813.86

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Solution

The fourth proportional to 6,330.27, 8,736.46 and 3,813.86 is: 5,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.27 : 8,736.46 = 3,813.86 : x
  2. Step 2: Convert to fraction form
    6,330.27/8,736.46 = 3,813.86/x
  3. Step 3: Cross multiply
    6,330.27x = 8,736.46 × 3,813.86
  4. Step 4: Simplify right side
    6,330.27x = 33,319,582.12
  5. Step 5: Solve for x
    x = 33,319,582.12/6,330.27
  6. Step 6: Final answer
    x = 5,263.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.