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Finding the Fourth Proportional to 1,952.92, 2,928.84 and 1,336.56

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Solution

The fourth proportional to 1,952.92, 2,928.84 and 1,336.56 is: 2,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.92 : 2,928.84 = 1,336.56 : x
  2. Step 2: Convert to fraction form
    1,952.92/2,928.84 = 1,336.56/x
  3. Step 3: Cross multiply
    1,952.92x = 2,928.84 × 1,336.56
  4. Step 4: Simplify right side
    1,952.92x = 3,914,570.39
  5. Step 5: Solve for x
    x = 3,914,570.39/1,952.92
  6. Step 6: Final answer
    x = 2,004.47

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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.