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Finding the Fourth Proportional to 3,952.30, 5,928.42 and 1,612.29

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Solution

The fourth proportional to 3,952.30, 5,928.42 and 1,612.29 is: 2,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.30 : 5,928.42 = 1,612.29 : x
  2. Step 2: Convert to fraction form
    3,952.30/5,928.42 = 1,612.29/x
  3. Step 3: Cross multiply
    3,952.30x = 5,928.42 × 1,612.29
  4. Step 4: Simplify right side
    3,952.30x = 9,558,338.33
  5. Step 5: Solve for x
    x = 9,558,338.33/3,952.30
  6. Step 6: Final answer
    x = 2,418.43

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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.