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Finding the Fourth Proportional to 3,305.59, 4,960.78 and 2,664.07

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Solution

The fourth proportional to 3,305.59, 4,960.78 and 2,664.07 is: 3,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.59 : 4,960.78 = 2,664.07 : x
  2. Step 2: Convert to fraction form
    3,305.59/4,960.78 = 2,664.07/x
  3. Step 3: Cross multiply
    3,305.59x = 4,960.78 × 2,664.07
  4. Step 4: Simplify right side
    3,305.59x = 13,215,840.37
  5. Step 5: Solve for x
    x = 13,215,840.37/3,305.59
  6. Step 6: Final answer
    x = 3,998.03

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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.