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Finding the Fourth Proportional to 8,246.64, 11,379.42 and 4,708.92

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Solution

The fourth proportional to 8,246.64, 11,379.42 and 4,708.92 is: 6,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.64 : 11,379.42 = 4,708.92 : x
  2. Step 2: Convert to fraction form
    8,246.64/11,379.42 = 4,708.92/x
  3. Step 3: Cross multiply
    8,246.64x = 11,379.42 × 4,708.92
  4. Step 4: Simplify right side
    8,246.64x = 53,584,778.43
  5. Step 5: Solve for x
    x = 53,584,778.43/8,246.64
  6. Step 6: Final answer
    x = 6,497.77

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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.