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Finding the Fourth Proportional to 6,353.42, 8,765.19 and 3,961.98

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Solution

The fourth proportional to 6,353.42, 8,765.19 and 3,961.98 is: 5,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,353.42 : 8,765.19 = 3,961.98 : x
  2. Step 2: Convert to fraction form
    6,353.42/8,765.19 = 3,961.98/x
  3. Step 3: Cross multiply
    6,353.42x = 8,765.19 × 3,961.98
  4. Step 4: Simplify right side
    6,353.42x = 34,727,507.48
  5. Step 5: Solve for x
    x = 34,727,507.48/6,353.42
  6. Step 6: Final answer
    x = 5,465.96

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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.