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Finding the Fourth Proportional to 6,325.79, 8,728.93 and 3,672.68

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Solution

The fourth proportional to 6,325.79, 8,728.93 and 3,672.68 is: 5,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,325.79 : 8,728.93 = 3,672.68 : x
  2. Step 2: Convert to fraction form
    6,325.79/8,728.93 = 3,672.68/x
  3. Step 3: Cross multiply
    6,325.79x = 8,728.93 × 3,672.68
  4. Step 4: Simplify right side
    6,325.79x = 32,058,548.27
  5. Step 5: Solve for x
    x = 32,058,548.27/6,325.79
  6. Step 6: Final answer
    x = 5,067.91

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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.