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Finding the Fourth Proportional to 5,759.52, 7,946.96 and 3,400.48

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Solution

The fourth proportional to 5,759.52, 7,946.96 and 3,400.48 is: 4,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.52 : 7,946.96 = 3,400.48 : x
  2. Step 2: Convert to fraction form
    5,759.52/7,946.96 = 3,400.48/x
  3. Step 3: Cross multiply
    5,759.52x = 7,946.96 × 3,400.48
  4. Step 4: Simplify right side
    5,759.52x = 27,023,478.54
  5. Step 5: Solve for x
    x = 27,023,478.54/5,759.52
  6. Step 6: Final answer
    x = 4,691.97

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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.