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Finding the Fourth Proportional to 4,994.62, 7,493.76 and 2,219.32

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Solution

The fourth proportional to 4,994.62, 7,493.76 and 2,219.32 is: 3,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.62 : 7,493.76 = 2,219.32 : x
  2. Step 2: Convert to fraction form
    4,994.62/7,493.76 = 2,219.32/x
  3. Step 3: Cross multiply
    4,994.62x = 7,493.76 × 2,219.32
  4. Step 4: Simplify right side
    4,994.62x = 16,631,051.44
  5. Step 5: Solve for x
    x = 16,631,051.44/4,994.62
  6. Step 6: Final answer
    x = 3,329.79

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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.