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Finding the Fourth Proportional to 4,950.72, 6,831.79 and 2,960.10

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Solution

The fourth proportional to 4,950.72, 6,831.79 and 2,960.10 is: 4,084.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.72 : 6,831.79 = 2,960.10 : x
  2. Step 2: Convert to fraction form
    4,950.72/6,831.79 = 2,960.10/x
  3. Step 3: Cross multiply
    4,950.72x = 6,831.79 × 2,960.10
  4. Step 4: Simplify right side
    4,950.72x = 20,222,766.78
  5. Step 5: Solve for x
    x = 20,222,766.78/4,950.72
  6. Step 6: Final answer
    x = 4,084.81

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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.