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Finding the Fourth Proportional to 3,348.43, 4,620.81 and 1,932.34

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Solution

The fourth proportional to 3,348.43, 4,620.81 and 1,932.34 is: 2,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.43 : 4,620.81 = 1,932.34 : x
  2. Step 2: Convert to fraction form
    3,348.43/4,620.81 = 1,932.34/x
  3. Step 3: Cross multiply
    3,348.43x = 4,620.81 × 1,932.34
  4. Step 4: Simplify right side
    3,348.43x = 8,928,976.00
  5. Step 5: Solve for x
    x = 8,928,976.00/3,348.43
  6. Step 6: Final answer
    x = 2,666.62

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Double scale
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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.