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Finding the Fourth Proportional to 8,893.69, 13,336.43 and 5,197.05

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Solution

The fourth proportional to 8,893.69, 13,336.43 and 5,197.05 is: 7,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.69 : 13,336.43 = 5,197.05 : x
  2. Step 2: Convert to fraction form
    8,893.69/13,336.43 = 5,197.05/x
  3. Step 3: Cross multiply
    8,893.69x = 13,336.43 × 5,197.05
  4. Step 4: Simplify right side
    8,893.69x = 69,310,093.53
  5. Step 5: Solve for x
    x = 69,310,093.53/8,893.69
  6. Step 6: Final answer
    x = 7,793.18

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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.