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Finding the Fourth Proportional to 6,391.33, 8,824.37 and 4,002.26

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Solution

The fourth proportional to 6,391.33, 8,824.37 and 4,002.26 is: 5,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.33 : 8,824.37 = 4,002.26 : x
  2. Step 2: Convert to fraction form
    6,391.33/8,824.37 = 4,002.26/x
  3. Step 3: Cross multiply
    6,391.33x = 8,824.37 × 4,002.26
  4. Step 4: Simplify right side
    6,391.33x = 35,317,423.08
  5. Step 5: Solve for x
    x = 35,317,423.08/6,391.33
  6. Step 6: Final answer
    x = 5,525.83

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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.