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Finding the Fourth Proportional to 8,894.44, 13,337.55 and 5,197.80

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Solution

The fourth proportional to 8,894.44, 13,337.55 and 5,197.80 is: 7,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.44 : 13,337.55 = 5,197.80 : x
  2. Step 2: Convert to fraction form
    8,894.44/13,337.55 = 5,197.80/x
  3. Step 3: Cross multiply
    8,894.44x = 13,337.55 × 5,197.80
  4. Step 4: Simplify right side
    8,894.44x = 69,325,917.39
  5. Step 5: Solve for x
    x = 69,325,917.39/8,894.44
  6. Step 6: Final answer
    x = 7,794.30

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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.