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Finding the Fourth Proportional to 3,292.92, 4,917.24 and 3,256.47

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Solution

The fourth proportional to 3,292.92, 4,917.24 and 3,256.47 is: 4,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.92 : 4,917.24 = 3,256.47 : x
  2. Step 2: Convert to fraction form
    3,292.92/4,917.24 = 3,256.47/x
  3. Step 3: Cross multiply
    3,292.92x = 4,917.24 × 3,256.47
  4. Step 4: Simplify right side
    3,292.92x = 16,012,844.54
  5. Step 5: Solve for x
    x = 16,012,844.54/3,292.92
  6. Step 6: Final answer
    x = 4,862.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.