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Finding the Fourth Proportional to 6,934.21, 10,401.31 and 2,254.64

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Solution

The fourth proportional to 6,934.21, 10,401.31 and 2,254.64 is: 3,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,934.21 : 10,401.31 = 2,254.64 : x
  2. Step 2: Convert to fraction form
    6,934.21/10,401.31 = 2,254.64/x
  3. Step 3: Cross multiply
    6,934.21x = 10,401.31 × 2,254.64
  4. Step 4: Simplify right side
    6,934.21x = 23,451,160.39
  5. Step 5: Solve for x
    x = 23,451,160.39/6,934.21
  6. Step 6: Final answer
    x = 3,381.95

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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.