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Finding the Fourth Proportional to 6,426.19, 8,868.20 and 3,773.64

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Solution

The fourth proportional to 6,426.19, 8,868.20 and 3,773.64 is: 5,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.19 : 8,868.20 = 3,773.64 : x
  2. Step 2: Convert to fraction form
    6,426.19/8,868.20 = 3,773.64/x
  3. Step 3: Cross multiply
    6,426.19x = 8,868.20 × 3,773.64
  4. Step 4: Simplify right side
    6,426.19x = 33,465,375.38
  5. Step 5: Solve for x
    x = 33,465,375.38/6,426.19
  6. Step 6: Final answer
    x = 5,207.66

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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.