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Finding the Fourth Proportional to 3,329.48, 4,994.22 and 1,380.62

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Solution

The fourth proportional to 3,329.48, 4,994.22 and 1,380.62 is: 2,070.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.48 : 4,994.22 = 1,380.62 : x
  2. Step 2: Convert to fraction form
    3,329.48/4,994.22 = 1,380.62/x
  3. Step 3: Cross multiply
    3,329.48x = 4,994.22 × 1,380.62
  4. Step 4: Simplify right side
    3,329.48x = 6,895,120.02
  5. Step 5: Solve for x
    x = 6,895,120.02/3,329.48
  6. Step 6: Final answer
    x = 2,070.93

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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.