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Finding the Fourth Proportional to 6,654.86, 9,965.88 and 4,183.55

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Solution

The fourth proportional to 6,654.86, 9,965.88 and 4,183.55 is: 6,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.86 : 9,965.88 = 4,183.55 : x
  2. Step 2: Convert to fraction form
    6,654.86/9,965.88 = 4,183.55/x
  3. Step 3: Cross multiply
    6,654.86x = 9,965.88 × 4,183.55
  4. Step 4: Simplify right side
    6,654.86x = 41,692,757.27
  5. Step 5: Solve for x
    x = 41,692,757.27/6,654.86
  6. Step 6: Final answer
    x = 6,265.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.