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Finding the Fourth Proportional to 3,333.80, 4,601.94 and 2,983.88

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Solution

The fourth proportional to 3,333.80, 4,601.94 and 2,983.88 is: 4,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.80 : 4,601.94 = 2,983.88 : x
  2. Step 2: Convert to fraction form
    3,333.80/4,601.94 = 2,983.88/x
  3. Step 3: Cross multiply
    3,333.80x = 4,601.94 × 2,983.88
  4. Step 4: Simplify right side
    3,333.80x = 13,731,636.73
  5. Step 5: Solve for x
    x = 13,731,636.73/3,333.80
  6. Step 6: Final answer
    x = 4,118.91

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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.