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Finding the Fourth Proportional to 5,759.92, 7,947.86 and 3,336.37

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Solution

The fourth proportional to 5,759.92, 7,947.86 and 3,336.37 is: 4,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.92 : 7,947.86 = 3,336.37 : x
  2. Step 2: Convert to fraction form
    5,759.92/7,947.86 = 3,336.37/x
  3. Step 3: Cross multiply
    5,759.92x = 7,947.86 × 3,336.37
  4. Step 4: Simplify right side
    5,759.92x = 26,516,965.12
  5. Step 5: Solve for x
    x = 26,516,965.12/5,759.92
  6. Step 6: Final answer
    x = 4,603.71

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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.