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Finding the Fourth Proportional to 4,951.94, 6,831.98 and 2,825.94

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Solution

The fourth proportional to 4,951.94, 6,831.98 and 2,825.94 is: 3,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.94 : 6,831.98 = 2,825.94 : x
  2. Step 2: Convert to fraction form
    4,951.94/6,831.98 = 2,825.94/x
  3. Step 3: Cross multiply
    4,951.94x = 6,831.98 × 2,825.94
  4. Step 4: Simplify right side
    4,951.94x = 19,306,772.63
  5. Step 5: Solve for x
    x = 19,306,772.63/4,951.94
  6. Step 6: Final answer
    x = 3,898.83

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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.