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Finding the Fourth Proportional to 4,994.20, 6,893.94 and 4,469.32

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Solution

The fourth proportional to 4,994.20, 6,893.94 and 4,469.32 is: 6,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.20 : 6,893.94 = 4,469.32 : x
  2. Step 2: Convert to fraction form
    4,994.20/6,893.94 = 4,469.32/x
  3. Step 3: Cross multiply
    4,994.20x = 6,893.94 × 4,469.32
  4. Step 4: Simplify right side
    4,994.20x = 30,811,223.92
  5. Step 5: Solve for x
    x = 30,811,223.92/4,994.20
  6. Step 6: Final answer
    x = 6,169.40

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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.