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Finding the Fourth Proportional to 6,650.46, 9,177.36 and 3,924.96

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Solution

The fourth proportional to 6,650.46, 9,177.36 and 3,924.96 is: 5,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.46 : 9,177.36 = 3,924.96 : x
  2. Step 2: Convert to fraction form
    6,650.46/9,177.36 = 3,924.96/x
  3. Step 3: Cross multiply
    6,650.46x = 9,177.36 × 3,924.96
  4. Step 4: Simplify right side
    6,650.46x = 36,020,770.91
  5. Step 5: Solve for x
    x = 36,020,770.91/6,650.46
  6. Step 6: Final answer
    x = 5,416.28

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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.