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Finding the Fourth Proportional to 8,891.86, 13,337.83 and 3,625.46

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Solution

The fourth proportional to 8,891.86, 13,337.83 and 3,625.46 is: 5,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.86 : 13,337.83 = 3,625.46 : x
  2. Step 2: Convert to fraction form
    8,891.86/13,337.83 = 3,625.46/x
  3. Step 3: Cross multiply
    8,891.86x = 13,337.83 × 3,625.46
  4. Step 4: Simplify right side
    8,891.86x = 48,355,736.62
  5. Step 5: Solve for x
    x = 48,355,736.62/8,891.86
  6. Step 6: Final answer
    x = 5,438.20

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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.