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Finding the Fourth Proportional to 8,805.79, 13,196.80 and 4,426.39

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Solution

The fourth proportional to 8,805.79, 13,196.80 and 4,426.39 is: 6,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.79 : 13,196.80 = 4,426.39 : x
  2. Step 2: Convert to fraction form
    8,805.79/13,196.80 = 4,426.39/x
  3. Step 3: Cross multiply
    8,805.79x = 13,196.80 × 4,426.39
  4. Step 4: Simplify right side
    8,805.79x = 58,414,183.55
  5. Step 5: Solve for x
    x = 58,414,183.55/8,805.79
  6. Step 6: Final answer
    x = 6,633.61

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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.