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Finding the Fourth Proportional to 3,305.71, 4,960.97 and 2,664.19

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Solution

The fourth proportional to 3,305.71, 4,960.97 and 2,664.19 is: 3,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.71 : 4,960.97 = 2,664.19 : x
  2. Step 2: Convert to fraction form
    3,305.71/4,960.97 = 2,664.19/x
  3. Step 3: Cross multiply
    3,305.71x = 4,960.97 × 2,664.19
  4. Step 4: Simplify right side
    3,305.71x = 13,216,966.66
  5. Step 5: Solve for x
    x = 13,216,966.66/3,305.71
  6. Step 6: Final answer
    x = 3,998.22

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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.