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Finding the Fourth Proportional to 6,272.66, 9,369.26 and 5,912.79

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Solution

The fourth proportional to 6,272.66, 9,369.26 and 5,912.79 is: 8,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.66 : 9,369.26 = 5,912.79 : x
  2. Step 2: Convert to fraction form
    6,272.66/9,369.26 = 5,912.79/x
  3. Step 3: Cross multiply
    6,272.66x = 9,369.26 × 5,912.79
  4. Step 4: Simplify right side
    6,272.66x = 55,398,437.27
  5. Step 5: Solve for x
    x = 55,398,437.27/6,272.66
  6. Step 6: Final answer
    x = 8,831.74

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1.5x scale

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.