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Finding the Fourth Proportional to 4,951.98, 6,831.14 and 3,062.96

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Solution

The fourth proportional to 4,951.98, 6,831.14 and 3,062.96 is: 4,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.98 : 6,831.14 = 3,062.96 : x
  2. Step 2: Convert to fraction form
    4,951.98/6,831.14 = 3,062.96/x
  3. Step 3: Cross multiply
    4,951.98x = 6,831.14 × 3,062.96
  4. Step 4: Simplify right side
    4,951.98x = 20,923,508.57
  5. Step 5: Solve for x
    x = 20,923,508.57/4,951.98
  6. Step 6: Final answer
    x = 4,225.28

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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.